Acme Prep Duel School

Acme Prep Duel School is the dueling school that to learn some basic of Kaijudo Duel against their oppose duelists from the other Dueling Schools in Runeterra but as that also in the episode not revealed on Indigo's depression for her friends during the war between Revolutionary and Invaders

Cinch realized thta Indigo has much with the Doremi High Students changing her bad ways into good by Celestia's true meaning and so Twitch was able guard the five artifacts that the Shadowbolts Duelists won't get them upon being told by Isao himself