Kai's eyes narrowed. Somehow, something in the mask had picked up on his modifications. He couldn't guess how advanced the technology was, though.

As for why he had the mods....he shook his head. "You'd have to ask whoever did it," Kai replied. "They didn't bother telling me. ....if you want to know what they do, though, you might have more luck." A corner of his mouth pulled into a grin.