Viking Bear Paw is the most threatening sign for any beholders. Because it informs them the upcoming danger in the path. That is not to mention the sudden attack from the deadly bear paw.
The Mjolnir (Thor’s hammer) one of the most iconic and powerful symbols was certainly a weapon but It also occupied a central role in rituals of consecration and hallowing. The hammer was used in formal ceremonies to bless marriages, births, and funerals as well.