Sulphurous Groknar

 Sulphurous Groknars are teralith BAMs found in Brimstone Highlands in southern Fyrmount.

Why it's called "Sulphurous Groknar" and not a Teralith? Dunno, maybe it's Castanic name for the monster.

Quests

 * Ending the Nightmare - from Larusia
 * Happy Hunting - from Taratia of Hands of Velika
 * (Guild) Suppression Orders: Fangspawns and Groknars- guild quest, deleted