Apocalypse: Gain an Animal Ability

Introduction: [End Times] + [Superpower] + [No System] + [No Harem] + [Decisive Killing] Meteorites falling from the sky, powerful radiation, changed the genes of 80% of the earth's animals, plants, and humans, causing gene fusion and genetic disorder. A woman who mutated into a butterfly, a grasshopper the size of a human. Immortal tardigrades, iron worms that control others, and ferocious tigers. How will the world change when people gain this ability? Who is at the top of the food chain?