Bad Omen

Bad Omen is a status effect that causes a raid to appear if a player is in a village.

Causes
Killing more raid captains while the effect is still ongoing will stack the level up to 5 (V) (Changed from 6 in 1.14.1).

Immune mobs
No mobs are immune from the effect; however, only players can trigger raids.

History
Mau presságio 不祥之兆