C1540 The Drinking Routine
Kuang Mingzhi was obviously up to no good, and the beer he brought back turned out to be the Four Locke, known as the Broken Fragment.
It was said to contain Guarana as well. People who didn't know Guarana might have thought it was some kind of additive, but Guarana was a rainforest herb, famous for its performance-enhancing properties in the Amazon