An angry spirit of this phenomenon crushed the crystal hearts of a group of monsters led by Unktehi and scattered their bones after losing worshippers to them. A spirit of this phenomenon saved a girl traveling down a waterfall, and resurrected Gunnodoyak (-5[1])after he was swallowed by a serpent. Members of a tribe who have visions of beings of this phenomenon can take on the role of a sacred clown called a (10[1])Heyoka. (10[2])Creatures embodying this phenomenon are opposed by horned serpents (10[1])and underwater (10[1])panthers. (10[2])Those creatures of this phenomenon (10[2])fight (10[1])with whales and are depicted with an X-shape (10[1])on top of totem poles in the Pacific Northwest. For 10 points, name this weather phenomenon (-5[1])summoned by a namesake bird along with lightning. (10[1])■END■ (10[3])