I25-Cell Biosynthesis is a major buff ability that increases a card's Intelligence stat by 25%.
It is cast only once by a card and is used as soon as it enters play before any attacks occur.
It is important for cards that use Elemental attack abilities (Burner/Chiller etc.) as it increases the damage they inflict whilst at the same time reducing the damage received from an opponent's Elemental attack.
It costs 600 Psyche.