C663 Master's Kung Fu Is High and Strong

"In the chess board game, after being bounced up by the chess board, I thought that I would fall onto an iron nail, but instead I landed on the wall. Moreover, there was a hidden window in the wall that directly bounced out of the room and landed on another room. The moment I went in, I was sprayed with something, and then, I don't know what happened next. "

"That should be poisonous gas