Aura butler with the same name as the destruction god "zwuwea" of Biston well.

Black Knight ravens zamanto (transversal of burn Banys) operates.

Although the appearance is basically similar to the zebra in the airframe made based on the zowars, it has a wing like wings such as bats and a long tail, and unlike the other aura Butler, it looks like a devil or a dragon rather than a worm. The total length is about 13 meters, and the aura Butler has the largest grade. It is made entirely for the battle, and the giant power is strong, and the tail that moves freely becomes a weapon.

In the original work, he fought fierce fight with Sabine, but at last he was caught in the explosion of ICBM by the shot weapon plan and disappeared.