runic s in the old scandinavian style. wolf hook sign, werewolf

amulet asgard badge barbarian berserk blackandwhite celtic design esoteric futhark german germany gothic heathen history hook icon illustration insignia isolated magic military mystic mythology nordic norse odin old pagan ragnarok retro rune scandinavian seal sign symbol tribal valhalla vector viking vintage war warrior wehrmacht wehrwolf werewolf werwolf wolf world wotan