Trial Spawner
Trial Chambers mob spawner that scales difficulty with player count, grants loot once per player per day, and upgrades to an ominous variant during bad omen raids.
1.21
Description
Trial spawners are found exclusively inside trial chamber structures introduced in Java and Bedrock editions. Unlike normal spawners, they detect all players within a 14-block radius and scale the number of simultaneous mobs by player count — a solo player might face three mobs while a group of four faces twelve.
Once all active mobs are defeated, the trial spawner opens an adjacent vault and enters a cooldown phase before reactivating. Each player receives loot from that vault once per in-game day, making group runs significantly more rewarding. The loot pool contains ominous trial keys, emeralds, iron equipment, and rare enchanted books.
When a player carrying the Bad Omen effect enters a trial chamber, every trial spawner in range converts to its ominous variant: darker particles appear, spawned mobs carry enchanted gear and throw potions, and the associated vault offers rarer rewards. Trial spawners cannot be mined or moved — they drop nothing even with Silk Touch — preserving the challenge structure of every chamber.
Once all active mobs are defeated, the trial spawner opens an adjacent vault and enters a cooldown phase before reactivating. Each player receives loot from that vault once per in-game day, making group runs significantly more rewarding. The loot pool contains ominous trial keys, emeralds, iron equipment, and rare enchanted books.
When a player carrying the Bad Omen effect enters a trial chamber, every trial spawner in range converts to its ominous variant: darker particles appear, spawned mobs carry enchanted gear and throw potions, and the associated vault offers rarer rewards. Trial spawners cannot be mined or moved — they drop nothing even with Silk Touch — preserving the challenge structure of every chamber.
