Main antagonist of the Norse Lostbelt in Fate/Grand Order. A fire giant who sought to destroy the world after devouring Fenrir, but was sealed away by Odin. He becomes infatuated with Ophelia Phamrsolone, and possesses Sigurd's body, noted by how his eyes change from blue to red.
The following tags are aliased to this tag: surtr_(fate/grand_order) (learn more).