Chrollo Lucilu became the Master of Diarmuid Odina by accident. He can only return to his own world by obtaining the Holy Grail and making a wish. Looking at the loyal knight, Chrollo covered his mouth and thought, only 50% of his ability was suppressed, so he could only make good use of this so-called heroic spirit. Will Diarmuid Odina, who was guided by Chrollo, still maintain his principles?