Isaac (Castlevania)

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	This character or verse has mature themes and concepts, thus those of young age are ill-advised to look through these.

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“	You deserve a most gruesome fate for the humiliation you brought upon me three years ago.	„
	~ Isaac to Hector

“	My name is Isaac. I have abandoned the reason of man and embraced the laws of heresy... If there is anyone who should trouble you, Count Dracula...then I shall rip him to pieces...	„
	~ Isaac to Dracula

Background

Isaac serves as the main antagonist in Castlevania: Curse of Darkness. Obsessed with bondage and self-inflicted pain, Isaac is a Devil Forgemaster who devises a plan to draw Hector back to Dracula’s Castle, intending to make him Dracula’s new host. To achieve this, he manipulates events that lead to Hector’s wife being condemned and executed as a witch. Throughout the story, Isaac’s sister, Julia, tries to stop Hector from seeking vengeance and killing him.

ExpandThis dropdown contains the synopsis of Isaac’s story. Read at your own risk as you may be spoiled otherwise!

Events of Castlevania: Curse of Darkness (Manga) Isaac and Hector were two of Dracula's top generals, both skilled in devil forgery to create Innocent Devils. While Isaac respected Hector, he resented him for being Dracula's favorite. When Dracula ordered Hector to kill a Belmont, Hector betrayed him and fled. In retaliation, Dracula sent Isaac to hunt down Hector. After Hector used his powers to save Rosaly from a werewolf, Isaac confronted him. Their fight ended when Trevor Belmont defeated Dracula, causing the castle to vanish, and Isaac was left for dead. However, Isaac survived and watched Hector for the next three years, plotting his revenge. He spread rumors that Rosaly was a witch selling poisoned apples, leading to her execution, and Hector arrived too late to save her. Events of Castlevania: Curse of Darkness Isaac lured Hector to an abandoned castle, urging him to reclaim his power as a devil forgemaster. He declared that Hector wouldn’t avenge Rosaly, while he sought revenge for the humiliation Hector caused him years before. As Hector's powers grew, he confronted Isaac in Cordova. Isaac tested Hector's strength but was interrupted by his sister, Julia. Isaac escaped, telling Hector to grow stronger. At Aiolon Ruins, he fought Trevor Belmont and obtained the blood needed to unlock hidden chambers below the castle. He tricked Hector into resurrecting Dracula's castle and stabbed Trevor from behind. In their final battle inside the castle, Isaac was defeated. Zead, who is actually Death, used Isaac's body for Dracula's resurrection instead of Hector. After Hector defeated Dracula, his soul left Isaac's body, and he collapsed. Julia said goodbye to her brother as she and Hector escaped the collapsing castle. Isaac is a tragic figure despite his cruel actions and obsession with revenge. Hector realizes that Isaac's madness and actions were driven by Dracula's influence. Ultimately, Isaac could find peace only in death, and Hector granted him this release when Julia said there was no other way.

General Information

Name: Isaac

Origin: Castlevania: Curse of Darkness

First Appearance: Castlevania: Curse of Darkness

Company: Konami

Creator: Koji Igarashi

Actor

• Japanese Voice Actor: Moriya Endo
• English Voice Actor: Liam O'Brien

Sex: Male

Sexuality: Unknown

Pronouns: He/Him

Age: Unknown

Homeworld: Earth

Residence: Wallachia

Story Role: Main Antagonist

Classification: Devil Forgemaster, Servant of Dracula

Species: Human

State of Being: Regular

Physiology: Humanoid Physiology

In-Universe Creator: God

Occupation: Member of Dracula's army (Formerly)

Ranking: Army Leader (Formerly; Both Hector and Isaac led both wings of Dracula's army)

Affiliations: Dracula, Julia Laforeze (His younger sister)

Enemies: Hector

Height: Unknown

Weight: Unknown

Status: Deceased (Killed during the collapse of Dracula's castle)

Date of Death: 1479

Alignment: Lawful Evil (Isaac has submitted himself as a servant of Dracula, killing hundreds of soldiers in the battlefield and defying God, noting he has abandoned the reason of man and embraced the laws of heresy)

Threat Level: Global Threat (Isaac has submitted himself as a servant of Dracula, killing hundreds of soldiers in the battlefield and defying God)

Codex Statistics

Grade: S

Tier: 7-C

Cardinality: Finite

Dimensionality: 3-D

Attack Potency: Town level (Potency) (It is noted that a devil forgemasters power rivals that of Death, who serves as the direct henchman of Dracula, who serves as the absolute evil, the opposite to God, where for God to be perfectly good, there must be a being of perfect darkness, being the entity opposite to God, with such power making him far superior to Golem from Castlevania Judgment, as he died to a random unknown hunter after his return from the time rift. Golem with his ultimate can shoot out a mouth blast that vaporizes everything it touches as far as the eye can see getting these results)

Durability: Town level

Striking Strength: Town Class (Potency)

Lifting Strength: At least Peak Human (Comparable to Hector, where by himself is unable to lift trees out of the way, though he is able to lift and easily wield large weapons in combat casually), Far Higher with Sheer Will | At least Peak Human. At least Class 10 with Innocent Devils (Should be comparable to Hector's innocent devils, who can move entire tree logs that are blocking roads out of the way where logs can weigh around 15 to 5 tons. Hector's battle-type innocent devils can lift open large iron doors that "no man could force open")

Travel Speed: Superhuman (Comparable to Hector, who can keep up with enemies like Fenrirs, who are wolves, who can run at speeds of 31-37 mph)

Attack Speed: At most Faster Than Light (Can tag End Game Hector, who in turn can tag Curse of Darkness Dracula, who serves as the absolute evil, the opposite to God, where for God to be perfectly good, there must be a being of perfect darkness, being the entity opposite to God, making him faster then enemies such as the Sky Fish who moves so fast that it appears as a beam of light and is only slowed down when time is stopped and the White Demon, who can move at the speed of light at short distances)

Reaction Speed: At most Faster Than Light

Stamina: Superhuman (Fought against both Hector and Trevor Belmont back to back without having any time to rest and showing no signs of tiring)

Range: Standard Melee, Extended Melee with Halberd, Tens of Meters with Shockwave Generation (His shockwave attacks reach this far)

Intelligence: Supergenius Intelligence (Hector and Isaac are the only two seekers who have successfully achieved the feat, where alchemy is a science that experiments with the arcane, and experiments with the principles of God's creation of the world, along with being said to be as great a task as recreating God's creation of the Earth)

Knowledge: Grandmaster level (Noted by Trevor Belmont that Isaac is not without skill, served as a general of Dracula's army, killing hundreds of soldiers in the battlefield and defying God. Isaac is a natural master devil forgemaster)

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Powers and Techniques

Unqiue AbilitiesWith Innocent Devils

Superhuman Physical Characteristics, Social Influencing (Isaac cleverly manipulated the witch trial to get Hector's beloved executed as a witch), Weapon Mastery (Halberd Mastery; Can use a halberd deftly in combat), Extrasensory Perception (Only Isaac could sense Hector's energy, even noting that no one else noticed it), Creation (Created a devil to fight with him), Energy Absorption (Isaac can get hearts out of objects and enemies, where hearts are a measure of one's stored energy, thus one is absorbing energy when gaining hearts), Shockwave Generation (Isaac can use his weapon to hit the ground and generate a large shockwave), Glyph Creation (Isaac created a light glyph that allowed him to teleport away from the battle), Power Suppression (Statistics Suppression; Isaac was testing Hector to see how much of his power was restored), Air Manipulation (Can create a massive wind storm from his Halberd), Hell Manipulation (Isaac utilizes the powers of darkness and evil), Matter Manipulation & Metaphysics Manipulation (Devil Forging has one to giving it a shape and soul, giving it a shell and applying stable power to the shell so the mass of energy without conscious can be transformed into a living devil).

Resistance to Darkness Manipulation & Hell Manipulation (Isaac has a resistance to the darkness element)

Creature of the Night AbilitiesInnocence Devil PhysiologyInnocent Devil Abilities

Superhuman Physical Characteristics (Even the smallest creatures of the night can destroy a bridge, one of Dracula's bats easily destroyed a stone ground block), Intimidation (Creatures of the nights appearances can cause one to have their body's cells cry out in terror), Immortality (Ageless; The biggest hindrance to humans when attempting to accomplish something being their limited lifespans, a limitation that cannot be overcome, however dwellers of the darkness do not apply to the laws of the human world, ignoring such limitations. Immortal Metaphysical Aspect; Creatures of the Night can continue to exist even as a spirit and use their spirit form to form bodies out of inanimate material around them), Acausality (Causality Immunity; All immortal beings disrupt the flow of time according to Aeon. With their souls being completely free from time. The biggest hindrance to humans when attempting to accomplish something being their limited lifespans, a limitation that cannot be overcome, however dwellers of the darkness do not apply to the laws of the human world, ignoring such limitations), Free Will (Creatures of the Night do not follow the hand of God and instead choose of their own free will), Empowerment (Creatures of the night are empowered by the night, becoming stronger when it's night time), Evolution (Creatures of chaos can inherit evil natures awakening into stronger enemies with new abilities and less weaknesses), Resurrection (Self-Resurrection; Creatures of chaos can be brought back to life from the power of hate. This has also been shown with slain heads reviving as an angry wraith), Regeneration (Mid-Godly overtime; Even the castle from Castlevania is a Creature of Chaos, where they are always rebirth from Chaos with each rebirth, the creatures takes a new form, with this state being referred to as a "regeneration cycle"), Invisibility (Creatures of Chaos possess a natural aura of darkness, which makes one unable to see those with an aura of darkness by the naked eye), Time Manipulation (Passive; All immortal beings disrupt the flow of time according to Aeon), Darkness Manipulation & Subjective Reality (Creatures of chaos very existence causes dark powers to flow beyond the control of the Elgos' grimoires, due to them collecting documented information on Dracula and his castle. Causing their power to materialize in the real world in the form of monsters. With the real world and world of grimoires being one and the same), Text Manipulation & Plot Manipulation (Passive; Creatures of the night's dark powers allowed them to rewrite the Grimoires to greatly strengthen their dark powers. It is noted by Lucy that the "vital soul" of a monster is the cause of the grimoire chaos. Their vital souls are causing the grimoires contents to be overwritten changing history to things such as Jonathan Morris is now at a disadvantage in battle, or Charlotte fading from existence due to them messing with the history of the Grimoires, Maria starting to fade because Richter's history is being rewritten, where if the books contents change the creatures magic will keep growing and eventually overflow into reality, causing the grimoire to fall into chaos and even more monsters materializing into the real world. The text alterations also make the monsters stronger. With the real world and world of grimoires being one and the same), Law Manipulation (Creatures of Chaos can alter grimoires, which do not adhere to the laws of reality), Power Modification (Creatures of the night alterations of the Grimoire can greatly limit the powers of those far stronger then them, such as Jonathan Morris' power being limited due to the alterations. The Chaos of the Grimoire destabilized the magic of the others).

Resistance to Ice Manipulation & Absolute Zero (All enemies in Castlevania III: Dracula's curse can eventually break out of being frozen from Sypha's ice magic. Along with this to protect against ice attacks in series, one normally wears rings that help them resist against absolute zero), Time Manipulation (All immortal beings disrupt the flow of time according to Aeon. With time in Castlevania being so potent that not even eternity can withstand time, along with even artificial life being subject to the laws of time. Some creatures of chaos are immune to time stop, normally being boss level creatures), Fate Manipulation (All immortal beings disrupt the flow of time according to Aeon, with fate being a truth wound by time)

Superhuman Physical Characteristics (Innocent Devils receive their powers from a devil forgemaster transferring the energy into their shells, the more powerful the devil, the larger its power to stabilize), Accelerated Development (Leveling, Physical Stats and Abilities; Innocent Devils level up with experience points by defeating enemies), Evolution & Absorption (Through Innocent Devils absorbing "evolution crystals", they will evolve, having their from change and obtaining new types of abilities), Bestowal (Innocent Devils are mystical untainted familiars created by a devil forgemaster that grants status enhancements), Regeneration (Low-Godly; Innocent Devils will revert to their soul form if they lose all hearts, if the devil forgetmsaster gathers enough hearts for them the Innocent Devils soul can then be restored to material form), Immortality (Life and Death Immunity; Innocent Devils are unable to die no matter the attack), Teleportation (As one executes certain combos, the word "chain" may appear, if they chains correctly, the Innocent Devil will warp in front and add a cooperative attack), Creation (Innocent Devils will occassionally create "Devil Shards", which can be used to create new Innocent Devils).

Resistance to Mind Manipulation & Domination (Innocent Devils have absolute loyalty to their creator)

Should have Innocent Devils with similar abilities to Hector's Innocent Devils, which are:

Fairy-TypeBattle-TypeBird-TypeMage-TypeDevil-TypePumpkin-Type

“

Characteristics of Fairy-Type Innocent Devils: Tends to float around the player. They have the ability to open up treasure chests. They can also restore HP or heal status ailemnts.

„

All fairy types carry over abilities from the previous forms. Infant Fairy

“

The initial fairy-type Innocent Devil, strong in healing. Having just left its cocoon, its body is still soft.

„

Flight (Naturally flies around), Healing & Purification (With heal, able to heal its devil forgemaster or heal status ailments), Lock Manipulation (Fairy-Type Innocent Devils have the ability to open up treasure chest)

Leafle

“

A fairy with a leaf for a hat. Desires only to live a simple life. Attracted to beautiful decorations.

„

Flight (Naturally flies around), Healing (With Time Heal, heals their devil forgemaster overtime), Poison Manipulation (With poison powder, poisons an enemy while also dealing minor damage)

Herbest

“

Its leaf hat and clothing mimic those of a fairy in order to win acceptance by humans.

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Flight (Naturally flies around), Healing (With Heal level 2, gives greater healing to their devil forgemaster), Purification (With Antidote, cures their devil forgemaster of poisoning)

Honey Bee

“

Has large, compound eyes like a dragonfly, specially developed to watch carefully for predators.

„

Flight (Naturally flies around), Enhanced Senses (Honey Bee has large compound eyes like a dragonfly, specially developed to watch carefully for predators), Healing (With Healing Field, creates a beam of light on the ground that heals its devil forgemaster)

Killer Bee

“

Its characteristics large eyes are hidden by a hood. It can see any type of light, bright or dark

„

Flight (Naturally flies around), Enhanced Senses (It's large eyes can see in any type of light, bright or dark), Nullification (Curse Nullification; With curse breaker, breaks curse status on their devil forgemaster), Healing (With heal level 3, provides greater healing to its devil forgemaster)

Hornet

“

Its apparent eyes are just for show. It mainly navigates using its highly advanced feelers.

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Flight (Naturally flies around), Enhanced Senses (Its eyes are for show, navigating using its highly advanced feelers instead), Nullification (Petrification Nullification; With Stone Breaker, breaks the stone status on their devil forgemaster), Healing & Probability Manipulation (With Lucky Shot, heals based off the combination of pictures that the reel lands on)

Proboscis Fairy

“

Its appearance as a middle-aged man is just a disguise, and it is said to have secret powers.

„

Disguise Mastery (Its appearance is merely a disguise), Flight (Naturally flies around), Explosion Manipulation (With Skull Bomb, causes a massive explosion), Healing (With "Just a Little", does an entire song and dance before healing its devil forgemaster), Purification (With Refresh, heals its devil forgemaster of any kind of ailment)

Tiramisu

“

The most knowledgeable race of fairy, rich in ancient culture, always ready to help and advise.

„

Multilingualism (With Decipher, able to read old script), Flight (Naturally flies around), Healing (With Gold Heal, will fully heal its devil forgemaster if they pay it the amount it desires), Bestowal (Invincibility Bestowal; With invincibility vase, makes the devil forgemaster invincible for a brief period)

Tiara

“

The most popular fairy, due to its extremely cute appearance. Just looking at it is restorative.

„

Social Influencing (Looks; Tiara is the most popular fairy due to its extremely cute appearance, with just looking at it being restorative ), Flight (Naturally flies around), Life-Force Absorption (With Healing Drop, causes enemies to drop healing sphere for a brief period when attacked), Bestowal (Invisibility Bestowal; With Crystal Skull, makes the devil forgemaster invisible for a brief period of time, thus allowing them to escape enemies with ease)

Comet Star

“

A fairy variant, a stylish girl who continues to dream the impossible dream of becoming human.

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Flight (Naturally flies around), Healing (With heal level four, heals the devil forgemaster greater then the previous heal levels), Curtain Fire (With Twinkle Shot, draws stars in the air and then smashes them into foes), Sleep Manipulation (With Lullaby, sends surrounding enemies to sleep with a mysterious song)

“

Battle-type Innocent Devils are exceptionally strong and excel at physical combat. As their name implies, they are the most effective in battle.

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All battle types carry over abilities from the previous forms. Magmard

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Initial form of a battle-type Innocent Devil as it has just been born. Its body still contains boiling magma.

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Superhuman Physical Characteristics (Battle-type Innocent Devils are exceptionally strong and excel at physical combat, as their name implies, they are the most effective in battle), Large Size (Supersized; Larger then Hector in size), Inorganic Physiology (A living devil of boiling magma), Heat Manipulation & Magma Manipulation (Its body contains boiling magma), Forcefield Creation (Creates a field around itself when it guards to protect its devil forgemaster from attacks. This field is a shining circle called a "Guard Field"), Aura Manipulation (Explosive; With Aura blast, unleashes a blast of aura that pushes back all enemies)

Speed Mail

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The features of this Innocent Devil are reminiscnet of a knight's armor. It has a snake carved onto its comb.

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Weapon Mastery (Sword Mastery; Uses a sword deftly in combat), Weapon Creation & Curtain Fire (With heavenly sword, creates a large number of swords that fall from the sky)

Golem

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An earthen soul formed into a living being by magic. Easy for a beginner to handle.

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Large Size (Supersized; Larger than Hector in size), Inorganic Physiology (Golems are an earthen soul formed into a living being by magic), Vibration Manipulation (With Hip Press Level 2, causes massive vibratins that causes the top of a ceiling to fall apart)

Juggernaut

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The transmogrification of a king from far away, with a powerful sense of justice and honor.

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Large Size (Supersized; Larger than Hector in size), Creation & Homing Attack (With Homing Eye, creates three eyes that home in on targets)

Rasetz

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The light gliterring from its armor pierces all who see it. Equipped with ominous blades called Murasame-maru.

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Weapon Mastery (Sword Mastery; Wields a sword deftly in combat), Energy Manipulation (With Grand Wave, sends an energy wave foward across the ground), Soul Manipulation & Homing Attack (With Glow Soul, launches an energy soul that homes in on enemies)

Corpsey

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A killer corpse seething with murderous intent. Its sword overflows with great rage and anger.

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Bloodlust (Noted to be a killer corpse seething with murderous intent), Weapon Mastery (Sword Mastery; Wields a sword deftly in combat), Energy Manipulation (With Grand Wave, sends an energy wave foward across the ground), Bone Manipulation & Curtain Fire (With Bone Storm, shoots out a multitude of bones from its body at the enemies in front of it)

Iytei

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A gentle beast. The fur on its entire body is amazingly soft, as are the pads on its paws.

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Large Size (Supersized; Larger then Hector in size to where he can ride on top of him), Sound Manipulation & Paralysis Inducement (With Ultra Scream, emits a piercing scream that stuns surrounding foes)

Ironside

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A giant, its entire body is plated in thick iron. A single attack can shatter rock and bone.

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Large Size (Supersized; Directly noted as a giant, larger than Hector in size), Body Control (With Chain Shot, can shoot its arm out to attack enemies from far away), Penetration Damage & Curtain Fire (Physical Penetration; With Machinegun Shot, shoots out a multitude of bullets)

Liquid Golem

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A demon coated in a fluid silver alloy. The origin of the symbols on its body are unknown.

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Large Size (Supersized; Larger than Hector in size), Inorganic Physiology (A demon coated in a fluid silver alloy), Flight & Transformation (Body Morphing; With Mecury Sphere, morphs into an orb that flies around attacking enemies at high speeds), Heat Manipulation (With Magma Mode, skin reaches the temperature of boiling magma, and continuously attacks enemies for a short period)

All bird types carry over abilities from the previous forms. Crow

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A black bird said to feat on corpse flesh, and hated for it. Rumors of death follow in its path.

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Flight (The crow is able to fly around and can help its devil forgemaster fly around), Air Manipulation (Creates air currents with its attacks)

Goldfinch

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A southern bird with golden plumage. Said to bring good fortune from the heavens.

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Supernatural Luck (The Goldfinch is said to bring good fortune from the heavens), Flight (Naturally flies around), Explosion Manipulation (With Caltrops, drops down spikes that cause massive explosions)

Skull Wing

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Comprised of fleshless bones, this winged dragon is presumed to be a relative of skeletons.

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Undead Physiology (Skull Wing is a being comrpised of fleshless bones), Flight (Naturally flies around), Explosion Manipulation (With Carpet Bomb, drops down explosives), Bone Manipulation & Curtain Fire (With Bone Shot, shoots out a multitude of bones from its body at the enemies in front of it)

Khaos

“

Pure rage in corporal form, it is chaos with wings. Many find its anguished form hard to look at.

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Irregular Physiology (Khaos exists as "chaos with wings", seeming to lack many necessary body functions), Flight (Naturally flies around), Fire Manipulation, Magma Manipulation, & Homing Attack (With Sphere of Darkness, shoots out magma balls that home in on targets)

Wingosaurus

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A winged dragon with a striking crest, feared as the Hunter of the Skies. Its main diet is fish.

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Flight (Naturally flies around, and can help their devil forgemaster get to areas with long glide), Life-Force Absorption (With Deadly Absrorb, drains opponents health and gives it to their devil forgemaster)

Phoenix

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A legendary bird of flame, said to be immortal. Surrounded by myth, its history remains unknown.

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Flight (Naturally flies around), Immortality (Unknown Type; Said to be immortal), Heat Manipulation & Fire Manipulation (The pheonix is a legendary bird of flame. With Fire Bird, smashes into foes with its flaming body, burning them to a crisp), Self-Destruction (With Big Bang, trades own life for a massive explosion that completely wipes out all enemies in the vicinity)

Blagsdeath

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Has a beautiful, golden aerodynamic body. Attacks unleashed by its claws can tear foes apart.

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Natural Weaponry & Penetration Damage (Physical Penetration; Attacks unleashed by its claws can tear foes apart), Flight (Naturally flies around)

Gargoyle

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An evil statue brought to life as a winged fiend. Its zigzag patterns of flight create total fear.

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Intimidation (Its zigzag patterns of flight create total fear), Flight (Naturally flies around), Explosion Manipulation (With Conflict Fall, puts everything into one mighty kick, so energized that contact with the foe causes an explosion), Glyph Creation & Energy Projection (With Force Cannon, transforms into a magic circle and launches countless beams at the foe)

Indigo

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A winged dragon that wields the power of ice. Its Eternal Freeze Blast stops anything in its tracks.

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Flight (Naturally flies around), Penetration Damage (Bladed Penetration; With icicle shot, a sharpened solid icicle rips foes apart), Breath Attack (With Blizzard Breath, a frozen breath that turns foes to ice), Ice Manipulation & Absolute Zero (Indigo wields the power of ice and its eternal freeze blast stops anything in its tracks, due to its power it should be comparable to Frost Demon, a demon that wields absolute cold and a total command of cold, making it superior to the likes of Cyril who can wield absolute zero and is seen as a standard ability from a creature of the night. Along with this to protect against ice attacks in series, one normally wears rings that help them resist against absolute zero)

Crimson

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A winged dragon instilled with the power of fire. Reduces everything to ash with its Flames of Hell.

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Flight (Naturally flies around), Hellfire Manipulation (Crimson is a winged dragon instilled with the power of fire, reducing everything to ash with its Flames of Hell. With ignition blow, launches a flaming ball toward the foe, sending up a pillar of fire where it lands), Breath Attack (With Flame Breath, flaming breath burns up all foes in the vicinity)

All mage types carry over abilities from the previous forms.

Wood Rod

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The inital form of a mage-type Innocent Devil. The wooden rod it wields is the mark of an inexperienced mage.

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Magic (All mage-type Innocent Devils are mages that utilize magic with their rods), Flight (Mage-types can naturally levitate around), Time Manipulation (With Time Stop, stops everything in time), Electricity Manipulation (With Lightning Strike, shoots down powerful lightning)

Scissor Rod

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Wields a sharp, sword-like rod. Has the ptential to unleash powerful magic.

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Flight (Mage-types can naturally levitate around), Fire Manipulation (With Sorcery Flame, flame similar to that breathed by a dragon, after years of research, mages can now use it. With Floating B, creates fire balls that circle around their devil forgemaster, allowing them to damage enemies through contacting them)

Talon Rod

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Wields a rod made from a mythical bird's talon. Its strong spiritual power makes it very rare.

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Flight (Mage-types can naturally levitate around), Energy Manipulation (With scissors circles, creates a circle of energy around their devil forgemaster, allowing them to damage anyone that comes into contact with them, can become larger in size through spinning the left joystick), Ice Manipulation & Absolute Zero (With Freeze, freezes an enemy in place. Along with this to protect against ice attacks in series, one normally wears rings that help them resist against absolute zero)

Nautilus Rod

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Wields a rod made from a fabled deep-sea beast. Countless sailors have perished in search of it.

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Flight (Mage-types can naturally levitate around), Purification (With Purify, with a single blow, returns all ghos monsters to the afterlife), Weapon Creation (With Satellite B, creates floating cannons with artificial intelligence that can attack enemies for a brief period)

Ogre Rod

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Its rod is made from the hand of a red ogre, and the eye in its grip can see for hundreds of leagues.

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Flight (Mage-types can naturally levitate around), Weapon Creation & Auto-Pilot (With Synchron Saucer B, suspends saucers around their devil forgemaster, sensing any intent to strike, they attack along with the devil forgemaster), Holy Manipulation & Electricity Manipulation (With Agnea, strips away foe's life with holy lightning)

Goat Head

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This mage wields a rod set with the head of a black goat, its sharp gaze filled with mystical power.

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Flight (Mage-types can naturally levitate around), Energy Projection (With Argent B, shoots out energy projectiles to attack foes), Fire Manipulation (With Salamander, creates a fire dragon that attacks enemies across the screen)

Eyeball Rod

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The countless ever-staring eyes decorating the rod of this mage imbue it with an eerie feeling.

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Intimidation (The countless ever-staring eyes decorating the rod of this mage imbue it wtih an eerie feeling), Flight (Mage-types can naturally levitate around), Statistics Boost (With Tension Boost, raises the devil forgemaster's attack power for a brief period), Curtain Fire, Homing Attack & Energy Projection (With Homing, fires multiple lasers that home in one foes)

Embryo Rod

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Wields a rod containing the souls of demons. The screams of its prisoners can almost be heard.

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Flight (Mage-types can naturally levitate around), Sealing (Metaphysical Sealing; Its rod contains the souls of demons, with them being referred to a prisoners), Holy Fire Manipulation (With Demonic Disaster, magic that creates a massive explosion, purging everything in the vicinity with holy flames), Explosion Manipulation (With Explosion B, places floating mines around the devil forgemaster that explode upon contact with enemies)

Crystal Rod

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Those who wield the crystal rod carved with intricate runes is said to possess ultimate power.

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Flight (Mage-types can naturally levitate around), Forcefield Manipulation (With Shield, creates a shield that defends completely against any enemy attack, works one time only), Telekinesis (With Meteo, alters the course of a metorite and brings it down on foes' heads)

Twinkle Rod

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A star motif graces the rod of this mage. Its owner dreams of one day becoming one with the stars.

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Flight (Mage-types can naturally levitate around), Telekinesis (With Twinkle Star, pulls a star out of orbit and down onto foes' heads), Creation (With Dancing Star, uses this spell to "become friends with a star", essentially creating stars)

All devil types carry over abilities from the previous forms.

Gale

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The lowest class of devil, but still violent and deadly. Hard to handle, so not for the beginner.

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Flight (Naturally flies around), Glyph Creation, Intangibility (Phasing), & Invisibility (With magic circle, creates a glyph on the ground that makes the devil forgemaster and Gale intangible and invisible to enemies)

Brow

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Its kind heart shows in its pure eyes, but once enraged it becomes a monster of relentless violence.

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Berserk Mode (Once enraged it becomes a monster of relentless violence), Flight (Naturally flies around), Glyph Creation, Intangibility (Phasing), Invisibility & Spike Manipulation (With needle magic circle, creates a glyph on the ground that makes the devil forgemaster and Brow intangible and invisible to enemies while also shooting out spikes from the glyph. With scissor magic circle, creates a glyph on the ground that makes the devil forgemaster and Brow intangible and invisible to enemies while also shooting out scissor energy projectiles from the glyph)

The End

“

A terrible devil, but a powerful ally -- if you can keep it under control. Fires beams from its eyes.

„

Flight (Naturally flies around), Glyph Creation, Intangibility (Phasing), Invisibility & Explosion Manipulation (With Exploding Magic Circle, creates a glyph on the ground that makes the devil forgemaster and The End intangible and invisible to enemies while also being able to spawn explosions on top of the magic circle, through holding it down and charging it, creates a much larger explosion)

All pumpkin types carry over abilities from the previous forms.

Pumpkin

“

It's me, Pumpkin! Thanks for the invite! I'll do my best to help you out!

„

Queen

“

It's me, Pumpkin! I was aiming for a more grown-up feel, but I'm only a kid and not sure what that is!

„

Bloody

“

It's me, Pumpkin! Don't worry, I'm not injure. This is all fake blood.

„

Tiny King

“

It's me, Pumpkin! My horse, my horse, my tiny kingdom for a horse... no, that's not right...

„

Clown Nose

“

It's me, Pumpkin! I wanted to be a clown, but could only find this nose. Still, pretty cool, isn't it?

„

New Deli

“

It's me, Pumpkin! I've recently become addicted to spices. But I still hate spicy hot food.

„

Whimsical Angel

“

It's me, Pumpkin! I'm being as good as an angel. So go on, buy me a new toy. Please, please, please!

„

Genius Chef

“	Quote	„
	~ It's me, Pumpkin! Actually, I'm a genius in the kitchen. Pumpkin pie is my specialty. I'm starving!

Human Achievements (Genius Chef Pumpkin is a genius in the kitchen, with pumpkin pie being his speciality)

Cursed Pumpkin

“

It's me, Pumpkin! This costume, when I've finally got it all on, just makes me wanna be bad!

„

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Equipment

• Chauve-souris: Isaac's spear weapon he uses against Hector in Cordova Town.
• Laser Blade: Isaac's weapon he uses against Hector in Dracula's Castle.
• Abel: Isaac's loyal guardian innocent devil, attacks with Isaac. It attacks both Hector and Hector's innocent devil during the boss fight.
• Iyeti: A Crimson Bird-Type innocent deil he summons to come to his aid for attacks.
• Rasetz: A Battle-Type Innocent devil he summons to come to his aid for attacks.

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Notable Techniques

• Skidding Thrust: A quick ground skid toward the enemy with the spear held low, ending with a fiery upward stab that sends his target flying.
• Whirlwind Spin: Spinning the spear to create a damaging whirlwind around himself, hitting all nearby enemies.
• Rapid Stabbing: A series of extended thrusts, making it hard to escape his range.
• Ground Slam Shockwave: Slamming the spear into the ground with such force that it generates a shockwave, dealing damage in a wide area.

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Other

Standard Tactics

• Cordova Town: He wields the Chauve-souris spear and performs powerful, enhanced versions of Hector's spear combos, including:
  • Skidding Thrust: A quick ground skid toward the enemy with the spear held low, ending with a fiery upward stab that sends his target flying.
  • Whirlwind Spin: Spinning the spear to create a damaging whirlwind around himself, hitting all nearby enemies.
  • Rapid Stabbing: A series of extended thrusts, making it hard to escape his range.
  • Ground Slam Shockwave: Slamming the spear into the ground with such force that it generates a shockwave, dealing damage in a wide area.

He is swift and evasive, frequently rolling to dodge attacks or blocking effectively. Abel is a constant menace in the encounter, focusing on both Hector and his summoned Innocent Devil but often targeting Hector’s devil specifically to disrupt support, making it essential to manage his interference as well.

• Dracula's Castle: In this second encounter, Isaac now wields the powerful Laser Blade and is no longer accompanied by Abel. Similar to their previous fight, he can use the same types of sword combos as Hector and frequently dodges or blocks attacks. After taking some damage, Isaac briefly becomes invulnerable and summons an Innocent Devil to assist him. He typically starts with a Crimson Bird-Type, followed by an Iytei Battle-Type, and then a Rasetz Battle-Type, each with a dark, ominous appearance. During this phase, Isaac maintains his distance and launches occasional attacks from afar. Players are advised to first focus on defeating the summoned Innocent Devil, as Isaac will return to close combat only once the devil is defeated. He will repeat this pattern of summoning a new devil after receiving more damage, continuing until the battle concludes.

Weaknesses

• Unique Weaknesses: Isaac is incredibly cocky, to the point that even though he could've killed Hector early on, he decided instead to let him build power so he can beat him. Isaac has a weakness to ice elemental attacks.
• Innocent Devil Weaknesses: When an Innocent Devil performs a special ability, its heart energy will be consumed, when all hearts are consumed, the Innocent Devil will no longer be able to perform any actions until it acquires more hearts.
  • Mage-Type Weaknesses: Shield works only one time. Only female mages can perform twinkle star.

Note

• Contrary to popular belief, holy attacks and the whips in Castlevania can affect and harm people that aren't apart of the creatures of the night. Leon's Doppelganger can use holy water and holy attacks against him in this fight along with the alchemy whip despite Leon being a pure and noble warrior. Simon's Doppelganger can harm him with the vampire killer, despite Simon being a noble hero.

Trivia

• Isaac's name functions both as a hint that all isn't quite as it seems with him, and also as a reference to a particular bit of vampire lore. Biblically, Itzhak (Isaac) was the son of Abraham, who was almost sacrificed as a test of his father's faith. The vampire folklore his name references appears in the short story "A Kiss of Judas" by Julian Osgood Field. A principal character in this story is Isaac Lebedenko, who dies and, when reborn, becomes a type of vampire known as a "Child of Judas" in order to exact revenge on a deserving enemy. Interestingly enough, Children of Judas are said to have red hair.
• His Innocent Devil, Abel, is another hint at Isaac's ultimately tragic nature and his end. Biblically, Abel was the first victim of murder. While Isaac is hardly an innocent man, he is very much a mere pawn in Dracula's game, only used as a means to an end.
• His clothing, too, is yet another hint as to his true nature. It appears as if Isaac is wearing only the remains of his former uniform. The Prelude to Revenge manga, packaged with the soundtrack sampler CD, uses Isaac's attire as a symbol of his mind unraveling. The madder he gets, the more tattered his clothing gets, until we see him in-game in purely ornamental armor bits and those strange pants. Thanks to Dracula's machinations, Isaac is only the broken pieces of the man he once was. Unfortunately, Isaac erroneously blames Hector for the destruction of his life. Curse of Darkness is very liberal with symbolism - not uncommon for Koji Igarashi, who seems to love his Easter eggs.
• Isaac and Hector together embody the "Red Oni and Blue Oni" trope. Isaac is denoted by red, and is emotional, temperamental and led by his heart. Hector, in blue, is the more logical and rational of the pair and is able to think things through, considers what he has been told, and in the end saves himself from an ill fate.
• Isaac's in-game model shares the same bone structure and animations as Hector. Also, Hector can forge both weapons used by Isaac in the two encounters: the Chauve-souris (the game's most powerful spear) and the Laser Blade (the game's most powerful long sword).
• Since his sister is Julia Laforeze, his family name is likely "Laforeze" (although Devil Forgemasters are only referred to by their first name).

Battle Records

1-2-2

VictoriesLossesInconclusive

• Army Soldiers - Fight
  • Conditions: None
  • Location: Forest

• Hector - Fight
  • Conditions: None.
  • Location: Unknown Forest

• Hector - Fight
  • Conditions: This was their third rematch.
  • Location: Dracula's Castle

• Hector - Fight
  • Conditions: This was their second rematch.
  • Location: Cordova Town
  • Note: Isaac was testing Hector to see how much of his power was restored.

• Trevor Belmont - Fight
  • Conditions: None
  • Location: Aiolon Ruins
  • Note: Isaac was ultimately losing the fight, with Hector coming in allowing him to leave, without Hector's interference, Isaac would have surely died to Trevor.