Valheim Boss Order Explained
Valheim's progression runs boss-by-boss: Eikthyr in Meadows, The Elder in Black Forest, Bonemass in Swamp, Moder in Mountains, Yagluth in Plains, The Queen in Mistlands, and Fader in Ashlands, with Deep North's boss arriving alongside the 1.0 release.
Each boss drops a trophy for re-summoning it later plus a Forsaken Power — swap these based on the task at hand rather than picking one and forgetting the rest: Eikthyr's power helps with grinding and running, Moder's helps with sailing, and Yagluth's or Bonemass's suit tough fights.
Don't skip a boss to rush ahead — each one gates the tools needed for the next biome's metal tier, so going in undergeared against a later boss usually means backtracking to finish an earlier one properly.
See the full data: Valheim Bosses