Background
Sacrifice1
Retain.
If Osty is alive, he dies and you gain Block equal to double his Max HP.
Sacrifice+0
Retain.
If Osty is alive, he dies and you gain Block equal to double his Max HP.

Sacrifice

Retain. If Osty is alive, he dies and you gain Block equal to double his Max HP.
Necrobinder
Skill
1
Rare

Sacrifice+UPGRADED

Cost changes from 1 to 0