Psyche!

Psyche! is an attack in Super Mario RPG: Legend of the Seven Stars used by Cluster. It is used as a last resort to damage the enemies. Once employed, the monster hops up onto a character and blows itself up over the target, leaving glowing sparks falling everywhere. After that, the character faints immediately. Although effective, the attacker also destroys itself, being out of battle indefinitely. In fact, it is the earliest Instant Death Mario faces. Accessories like the Safety Ring render its wearers immune against this attack.