In the game, The Strongest Curse, a character from Jujutsu Kaisen, can be acquired by either evolving The Curse One with the following units: 2x The Curse One, 3x Curse, 2x Curse II, and 2x Curse III, or by a 1% chance summoning on Banner Z of the Hero Summon. However, The Curse One (SUMMER) cannot evolve into The Strongest Curse.