After a short while, Old Man Leng came back out of the backroom and sighed deeply. Then, he held out his hand.
"Gimme the antidote, and tell me the address ya want to send it to. I'll get it delivered. Oh, and don't ask questions," he said.
"... Um, okay," Lan Xiao Su murmured, before doing as told. "The address is... "
After telling Old Man Leng the address and leaving the antidote in his care, the rest of us headed back to the hotel to get some rest. The preliminaries were in a week - we needed to get stronger as fast as possible using the time we had remaining. Climbing the floors of the Library should be good for that.