During the match between Raimon and Zero, Hakuryuu and Shuu fused their keshin together into Sei Kishi Arthur and used Sword Excalibur. The hissatsu passed all Raimon's players, injuring them in the process, and scored the fifth goal for Zero.
Usage[]
Two users call out their keshin, then it lifts its sword up resulting in blue lightning striking it. The two users then jump up and kick the ball accompanied by an energy slash from the keshin's sword.