Shangri-La Frontier: Season 1, Episode 7

1 - 7: Remnant of the Divinity: The Aberrant Loser

Sunraku manages to stave off his attackers and reach Thirdrema, where he and Emul then travel back to Rabituza. Emul then takes Sunraku to the Vorpal Colosseum where he's pitted against 10 opponents to further his training.