Meltdown (Suicide ability)

Meltdown is a recurring ability in the Final Fantasy series.

Final Fantasy IV: The After Years
Meltdown is an enemy skill that acts similar to Self-Destruct, dealing damage equal to the user's current HP to the entire party, but killing the user. It is used by powerful bosses including Omega and Armstrong. The Complete Collection adds in the Death Machine in Golbez's Challenge Dungeon, who can also use Meltdown.

Final Fantasy V
Meltdown is a Dark Art usable by Necromancers in the Advance and mobile and PC versions. It causes Fire damage and Sap. It is learned by defeating Liquid Flame.

Final Fantasy Tactics Advance
Meltdown sacrifices the user to do Fire damage in an area equal to their HP. It is learned by Defenders for 200 AP from the Vajra.

Final Fantasy Tactics A2: Grimoire of the Rift
Meltdown appears with the same effects and learned by the same job except that it has no element and its accuracy is half the accuracy of a normal attack. It is learned from the Vajra for 350 AP.