The bubble comes as a surprise. He glances back at Rokuro to find him fighting the Slyphid Kylo had pointed out with his other hand. Impressive. Were he not about to be in close quarters with the enemies in front of him, he would pause to wonder how this works. But there's no time for it right now. He does, however, make note of the effect it has as he engages the Sylphid with his sword.