[Ashura dances through the wreckage to avoid those claws, aware of how dangerous they are now. The Castle of the Moon had equally dangerous terrain, and he'd fought thousands of times in his hundred of year life span. He doesn't really want to engage, but neither can he just back away now.
He ducked a swipe, and at the same moment he is rising up he opens his palm and calls his sword, swinging the crystalline blade in a controlled, powerful arch - though he of course did not aim to kill the other, more like ward him off and if necessary incapacitate.]