Read Tensei Coliseum in English to experience a thrilling fantasy manga where fighters clash for survival. High school gamer Mikagami Kouji is suddenly summoned into a hostile fantasy realm. The cruel Head Priestess Zayd enslaves him as a arena gladiator. He receives a seemingly useless copying skill in this brutal world system. Vicious opponents threaten his life in the deadly Battle Coliseum. To escape horrific slavery, Mikagami must copy enemy abilities during combat. This tactical underog uses his gaming expertise to survive dangerous arena match-ups. Mikagami is defeating powerful warriors while building his own loyal harem.