He doesn't realize that Runyu is controlling the ice shards, and that is probably a good thing. It allows him to stay in the fight, so to speak. To not focus on the wielder. Something like that could cause serious harm to a person.

Even after that, he's still full of energy and allows his scimitar to twist and twirl in the air. "You can take it and look if you wish." He didn't mind the other checking out his weapon. It wasn't like he was too worried over anything happening.

"I've worked hard to perfect myself."