Kurt Ludwell

Krut Rudewell (クルト・ルードウェル, Kuruto Rūdoweru) is the older brother of Emilia and the son of one of the Demon Emperors, Elio Rudewell. He is the champion of the previous Demon Sword Tournament.

Weapons
Water Demon Sword : A water sword without a fixed shape, sharp and cannot be destroyed by any demon sword.