Base random-raid check: 20% every 46 minutes.

World raid settings change this schedule. Passing a check selects among eligible events; it is not the chance of this individual raid.

Requires a player near a base.

Pauses when no player is within the 96 m event area.

Weather during this raid: Ghosts

Requires these defeats

Bonemass

With player-based raids enabled, the player conditions below replace the world-key conditions. Forbidden items and keys always block. Any known-item or any-key match allows the event; when neither any-list exists, all required player keys must match.

Any known material

Forcula
Trofeo d'ossa

All of these materials must be unknown

Lacrima del drago
Trofeo di Moder