Jyarumu looks like a dinosaur, and has two strong forelegs with two gliding wings attached to them and two smaller hind legs. It also has a knife-like head ornament in its head, a spike on its back, and it has a small tail fin.
Jyarumu was either dead or in suspended animation in Siberia, but the ice it was caught in melted due to global warming and the creature was resurrected.
Jyaramu can fly instead of just glide, as it appears to not have any flight-capable wings. The creature also releases a toxic freezing gas when agitated. Jyarumu also has brutal melee capabilities, utilizing his massive horn and brute strength to topple down opponents.