User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-34891930-20180516074852/@comment-81.155.203.59-20180517181700

He's able to use DxD G on one forearm for 10 seconds but would have been unable to fight afterwards and when a King is unable to fight in a Rating game the other side wins by default. It may not harm him but it his stamina would have been depleted afterwards.