Well it was certainly a change of event as Leviathan did the technique known to the ultimate defense, but as a former student of Hector, Rukawa knew the weakness to stop the Kaiten. By now the lighting would create a big hole in the isle and the could go through to the bottom, wrecking the isle. Leviathan drew closer but as lighting was faster with the hand movement, Rukawa continue to create a hole canal on the ground between them, as if he wanted to cut the whole isle in half. Using his other arm that was held up, the lighting got his cue where to hit. The destination was infront of his opponent, and since the ground was weakened alot near the "cut", the hole began to get bigger and difficult to cross in a spinning manner. To asure this he kept swaying his hands from side to side, destroying more of the land.
He then clapped his hands together, the lightings obviously joined, increasing in size as well power. With his left arm, he directed it to the enrgy filled area where the knife once existed. Upon contact, a powerful explotion would occur, but Rukawa had spun his body too, doing the Kaiten in his own way. Unlike Hector's Kaiten, Rukawa released powerful winds, which levitated his body off the floor, using the force of the explotion, his body in his spinning manner would be knocked off the isle as the isle wasn't stable no more, unless the energy was powerful enough to make it withstand. If not, everything would fall apart as obviously Rukawa was leaving the battle for some other day.
ll I gotta go, Hector. Sleepy time and tired. xP ll