Wilderness and mountain beings that range from giant-like monsters to uncanny neighbors; dangerous, old, and varied in Scandinavian tradition.
Trolls should vary by region: stone trolls, cave trolls, bridge trolls, forest trolls, and mountain trolls can all feel different. Some are dim predators; others are old, proud, and socially alien.
In older Norse and later Scandinavian folklore, trolls are not one simple species. They can overlap with giants, magic-workers, mountain beings, and dangerous outsiders.
Use trolls as regenerating monsters, ancient local powers, cursed mountain flesh, or the visible servants of deeper threats like Thullgrim.
DM-only encounter details, stat blocks, and running notes are kept at Trolls (DM).