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Sacrifice
Necrobinder
A — Strong
SkillRare1 ⚡
Retain. If Osty is alive, he dies and you gain Block equal to twice his Max HP.
Why A-tier:
Converts your summon into an enormous burst of Block — a panic button that scales with Osty’s HP.
Best with:
Osty HP buffs, Legion of Bone, Spur