Minecraft Dungeons:Mob Spawner

Mob Spawners are uncommon monster factories that spawn mobs in Minecraft Dungeons

Spawning
The Mob Spawner can be found within the Redstone Mines and the Fiery Forge

Behavior
Mob Spawners spawn waves of hostile mobs without moving until they are destroyed.

Trivia

 * Even though the Spawner itself does not move, the Gravity enchantment can cause it to.