C2181 Nether Blood Ranking

However, we still couldn't find out where the small golden key could be used. After searching through the room once more, we were still unwilling to give up. Once again, we searched Shu Aobai's room. If the key was really important, Shu Aobai would most likely hide it by his side. That was the safest way.

Hard work paid off. After moving Shu Aobai's bed away