Continuity mistake: During the tavern brawl, a group of three henchmen charges at Korgoth. During this parallel montage, the middle man changes from their first shot to their second (where he looks more like Hargon) and then back for the rest. (Also, the masked attacker on the right appears in two groups, but technically it could be twins or there could be more of them.)
Continuity mistake: Hargon has a hook for a left hand. After the opening credits (during the dice roll scene) the hook is briefly on his right arm. Then it's left again during the rest of the episode.