C2790 Meditation crystals and medullary crystals

After he was depressed for a while, Ye Xuan gradually calmed down, and his unstable state of mind also calmed down!

With the terrifying strength of that black horn, if it was really disadvantageous to him, he would be unable to fight back no matter how much he worried. In that case, he might as well forget about this matter for now and slowly think of a way to resolve it later