C1226 Spirit fusion skill(part ii)

Hearing Shitian and Long Dou's replies at the same time, Bai Xiaohei was stunned, he then frowned and asked the two fellows: "Why is that, I told you guys about the theory behind the fusion skill earlier, I think it's not a problem?"

Previously, when Bai Xiaohei was using his life force to recover from his injuries, he did some research on this Spirit Burst skill