Increases the wearer's CRIT Rate by 18%. At the start of battle or for every 4 instance(s) of Follow-Up ATK the wearer uses, the wearer gains "Umbra Devourer," lasting for 3 turn(s). While the wearer holds "Umbra Devourer," increases ATK by 40% and increases the DMG taken by all enemies by 20%. Effects of the same type cannot stack.