- Superhuman Physical Characteristics
- Irregular Physiology (Monsters physiologies show they are mostly made of magic, noting that humans have a "physical form"[1], along with having their SOUL directly attuned to their body[2])
- Magic (All monsters are made of magic, being able to do things like make "bullet-patter cards" with their magic[3])
- Personal Domain & Battlefield Removal (When one encounters a monster they get into a fight, a FIGHT is an encounter in a monster's personal domain allowing them to fight humans, this has various rules such as turn-based combat)
- Creation (Monsters can make weapons, clothes and even food from magic)
- Limited Spatial Manipulation (3-D; Monsters can at times influence the battle box)
- Transmutation & Healing (Monsters can turn their attacks into healing projectiles)
- Absorption (Monsters and humans can absorb the SOUL as long as the person isn’t the same species as them)
- Curtain Fire (Monsters are able to develop a large sum of magical attacks to overwhelm the opponent)
- Soul Manipulation & Essence Manipulation (All monster attacks in Undertale are to the SOUL).