- Superhuman Physical Characteristics
- Power Absorption (All “Your Sanctuary” bosses suck all of the energy out of each sanctuary spot)
- Transmutation (With a glare he can diamondize a party member).
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| “ | Rout the Sprout using a concentrated attack of PSI Fire and other strong PSI attacks. | „ |
| ~ Trillionage Sprout’s EarthBound Player's Guide description |

The Trillionage Sprout is the third Sanctury Boss in MOTHER 2 (localized as EarthBound). It guards the third Your Sanctuary in the game, Milky Well. The Trillionage Sprout is accompanied by two Tough Mobile Sprouts, making it one of only two Sanctuary Bosses not to fight alone (along with Titanic Ant). It mostly relies on causing status effects and is the first enemy in EarthBound that can Diamondize party members. Once the boss has been defeated, the party can enter Milky Well and obtain the third piece of the Sound Stone's melody.
Name: Trillionage Sprout
Origin: MOTHER 2
Gender: Male
Age: Unknown
Classification: Boss
Species: Sprout
State of Being: Regular
Occupation: Sanctuary Guardian
Affiliations: Giygas
Enemies: Ness
Status: Alive
Alignment: Lawful Evil (Sanctuary Guardians are under the influence of Giygas and have stole Ness' sanctuary locations)
Threat Level: Metropolitan Threat (Sanctuary Guardians pose threats over entire towns they're near and are the boss of the entire dungeon area, which are normally multi-leveled cave systems)
Grade: B
Tier: At least 9-A
Cardinality: Finite
Dimensionality: 3-D
Attack Potency: At least Room level (Potency) (Absorbed all the energy from a sanctuary location which is a powerful spot that allows the user to perform “wondrous feats” according to Frank, can fight Ness after he’s traveled through Peaceful Rest Valley, scaling him to the Territorial Oak, who is around 4.5 to 5 meters making its self-destruction which would be around this levels of energy)
Durability: At least Room level
Striking Strength: At least Room Class (Potency)
Lifting Strength: Unknown
Travel Speed: Unknown
Attack Speed: Superhuman (Can tag Ness, who should be comparable to Ninten who can travel 700 meters in about 13 seconds)
Reaction Speed: Superhuman
Stamina: Unknown
Range: Standard Melee, possibly Higher with PSI
Intelligence: Genius Intelligence (As the Trillionage Sprout has drained the energy from the your sanctuary location and has shown to use PSI from it, they should naturally be this intelligent)
Standard Tactics: Will glare at his foe along with using PSI attacks.
Weaknesses: Weak to PSI Fire. PSI users need to concentrate in order to use their PSI[2].
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