Sacrifice yourself to restore HP and MP to the other party members.
Zidane can use the skill Sacrifice. It reduces his HP and MP to zero and fully restores the other party members HP and MP. It is learned from the Masamune and Exploda, costs 32 MP to use, and takes 55 AP to master. Unlike some incarnations of the ability, Zidane will not be removed from battle, leaving the remaining party members free to revive him at any time.
Sacrifice is the job level 7 ability for the Arcanist. The user sacrifices 25% of their maximum HP to raise magic attack by 50% for three turns. The upper limit for M.Atk is 150%.
Sacrifice is a level 6 Holy Magic spell for the Bishop. The user enters K.O. state, and upon doing so unleashes a massive light-based attack on all foes. This spell cannot be reflected. It costs 44 MP to use. It can be bought in Sagitta Village and Chompshire for 6400 pg.