Snail Shaman

Found inside the Ancestral Mound in Forgotten Crossroads.

Upon first encounter, the Shaman gifts the Vengeful Spirit spell to The Knight. Accepting it results in the Knight waking up locked up in a small dungeon, tasked with killing a beast (Elder Baldur) within the Ancestral Mound.

The bodies of other snail shamans can be found throughout the game (a crystallised one in Crystalised Mound, one with overgrown fungus in Overgrown Mound and one in Soul Sanctum that looked like it has been experimented on). Acquiring spells from these will unlock dialogue with him.

Trivia
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 * The Snail Shaman is one of the few NPCs who resist even the Awakened Dream Nail.