Midgard is a heavily disguised God Warrior, whose real identity is uncovered by Shiryu (Actually Midgard is Cygnus Hyoga who had been brainwashed by Drbal).
When Athena, Frey, Freiya Bronze Saints go down the stairs of the palace of Valhalla, Midgard, Uru and Rungu stand in his way, Frey orders them to depart and after a while they do not move, Midgard blocks Shiryu’s way but moves aside due to the order of Loki, Shiryu, feels a very familiar cosmos in him.
Migdard intercepts Shiryu in a forest while on his way to save Athena, this prompts Midgard to take off his helmet and mask, revealing his true identity, Hyoga. Shiryu, who approaches and squeezes his hand to greet him, but actually uses his freezing power to immobilize Shiryu’s right arm. Hyoga then throws him into the air and hits him several times without resistance put by the Dragon because he does not consider Hyoga an enemy but a friend. Hyoga keeps attacking and Shiryu asks the reason why he acts that way, Hyoga says that when he came to Asgard he realized that Odin was the most powerful surpassing even Athena and that the god warriors are the most powerful out there, so he decided to become one of the holy warriors that serve Odin. After falling into a lake water He freezes it and prepares to deliver the coup da grace, Shiryu, determined to return his friend to normal prepares his Rozan Shoryuha. After both clash, Hyoga’s god robe is destroyed and Shiryu filled with regret, falls to the frozen waters.