Chrollo used to believe he was one of the strongest pilgrims in the land. He was humbled by the strength of the fighters from the tournament and the war.

After tripping balls in the primordial lands. Chrollo got infected by the worm. He doesnt know how it happened. He killed a couple devotees of mother agora and stole their armor. He now uses it as it blends in with the enemy, killing supporters of her light.