Episode 9

S1, E9: Yaiba's training under Musashi is beginning to pay off. And while he no longer needs to undergo a kind of exorcism when attempting to wield the Raijinken, exerting even a small amount of control is completely exhausting. Once back at the Mine household after the trip to Ganryu Island, Yaiba and team realize they'll need a new technique if they want to have a chance against Onimaru. Bring on the training!