Verb
despawn (third-person singular simple present despawns, present participle despawning, simple past and past participle despawned)
(video games, ergative, of an entity in a game world) To be instantaneously destroyed or removed.
A mob will immediately despawn if ever there is no player within 128 blocks of it.
The helicopter despawned shortly after take-off, leaving the player in an unexpected free fall.
The game despawns the enemies after you kill them 15 times or so.