Liu Yusi helped Yu Lou find his true identity, but Lu Xuelin awakened part of his memory. The real body in Yu Lou was actually Yan Xiu, the king of the demon world. After Yan Xiu passed through the sixteen levels of the devil's cave for Yu Lou, Yan Xiu's memory disappeared again. After the memory of the original body disappeared, Yu Lou's memory was awakened. However, how can the conspiracy and scheming universe deal with Yu Lou and Liu Yusi...
Purpose: Upgrade to fight monsters