interwoven triangles, valknut, sacred geometry. flat icon. logo, tattoo, occult amulet. esoteric

abstract amulet ancient art background celtic culture design element enigmatic esoteric flat geometry gothic icon illustration intertwined interwoven isolated knot line linear logo magic magical mystic mystical mythology nordic norse occult occultism odin old outline pagan polygonal pyramid religion religious ritual rune sacred satan secret shape sign spiritual spirituality symbol tattoo template triangle triangles trinity triquetra valknut vector viking white wicca wiccan