Kroac

Kroac is an NPC who is part of the quest The Shadow of the Beast. The player has to bring him [32 Cobblestone] to help him rebuild his destroyed house. When done, Kroac will give the player a filthy nail, which is required to complete the quest.

Location
Kroac is found outside his house and behind his farm near the road that goes out of Olux and towards the Dark Forest.

Trivia

 * His name is an anagram of the unrelated Corak.