Mikagami's Fierce Battle. Heedless Hyomon Ken! Episode 39

Mikagami battles Kai who is suspected to be the murderer of Mifuyu. Kai was able to defeat Mikagami. But despite this, Kai declared that Mikagami was the rightful heir of the Hyomon Ken (Ice Crest Sword). And before he died, Kai revealed that the murderer of Mifuyu was their sensei and Tokiya's grandfather, Meguri Kyoza (In the manga, two men hired by Kurei were the true killers and Meguri arrive too late and blamed himself for Mifuyu's death. Also, Kai stabbed himself with the Hyoma En in the manga after the match). At the same time, Recca learned that the 8 Flame Dragons were Hokage ancestors and was forced to fight them again to regain their powers.