Greydwarf brutes and shamans are among the several Valheim enemies that spawn in the Black Forest biome which creates some intense moments in the early game as players expand from the Meadows.

This page is part of IGN's Valheim Wiki guide and details everything you need to know about the Black Forest biome such as resources you can obtain, ...

Rarely, they’ll drop Ancient Seeds. You need x3 Ancient Seeds — they are also rare drops from chests in the Black Forest, and are guaranteed to drop from Greydwarf Nests.