Black Forest · location
The Elder's altar
In a world
4
in 1,000 worlds, of 4 tried
Nearest to spawn
1.8 km
1 world in 10 under 1.2 km
Altar and doors
Ancient Bowltakes 
3× Ancient Seedand calls 
The Elder
Runestones and signs
BURN THEIR YOUNG
Source: location prefab GDKing in Valheim 1.0.17 (2026-10-05).