Meltdown is an enemy skill that deals damage equal to the user's current HP to the entire party, but kills 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.
Meltdown is an enemy ability that causes Self-Destruct, dealing magic damage to targets in an area of effect. It is used by the Doll family.
Self-KO. Deals area damage equal to own HP.
Meltdown is a passive ability that when hit while HP is 10% or less, causes one to self-destruct and harm allies. It can be used by Omega and Omega Bane.
Melting is a physical process that results in the phase transition of a substance from a solid to a liquid. Nuclear meltdown is an informal term for a severe nuclear reactor accident that results in core damage from overheating.