Episode 48 Hidden Beneath the Sands of Time
Kunai stares again, the face of Ivy having reappeared on the body before him. He nods, and grabs her outstretched hand. Within seconds, Kunai finds himself standing outside on the stalagmite plain once more.
Lesson Three, Azuma says next to him, is finished.
Kunai stumbles to one knee, his body exhausted from the continual training. He stretches out his hands to stop himself from falling completely flat on his face. At this moment, he gasps, noticing that Myou has returned to its claw form. He also realizes at once that his Scorpio set has returned.