Regidrago is an orb golem-like Pokémon with parts of a dragon's moth as arms. It has a dark red orb body with 7 circle blue eyes shaped similar to a Y. It has two red legs with black teeth shaped like feet. The left arm is shaped like the bottom half of a black mouth with red underneath. The right arm is shaped similar to a shiny Charizard. Two spikes shaped like wings are located behind its back. Its body can glow pink when attacking.
Due to its body being formed by crystallized dragon energy, Regidrago is said to have the most powerful Dragon-type moves of all Pokémon. The energy is said be the most dense in its central core. According to legend, Reidrago was created by Regigigas using crystallized dragon energy however it only has enough for the head. It was sealed away in a temple due to the ancient people due them fearing the destruction it would caused should it ever get completed. It is capable of floating. Regidrago can fire an attack made by intense dragon energy by combing its arms to form a mouth[1].
Regidrago is the only known Pokémon capable of using the move Dragon Energy.