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Rimuru becomes the new teacher for Shizu's students. However, having been summoned into this world against their will and facing shortened lifespans as a result, the children's feelings are complicated, and they're reluctant to accept Rimuru. So Rimuru proposes a series of mock battles with each of them to ascertain their abilities and allow them to let off steam.
Episodes
1The Storm Dragon, Veldora 2Meeting the Goblins 3Battle at the Goblin Village 4In the Kingdom of the Dwarves 5Hero King, Gazel Dwargo 6Shizu 7Conqueror of Flames 8Inherited Will 9Attack of the Ogres 10The Orc Lord 11Gabiru is Here! 12The Gears Spin Out of Control 13The Great Clash 14The One Who Devours All 15The Jura Forest Alliance 16Demon Lord Milim Attacks 17The Gathering 18Evil Creeps Closer 19Charybdis 20Yuuki Kagurazaka 21Shizu-san's Students 22Conquering the Labyrinth 23Saved Souls 24Black and the Mask