The two demons obviously didn't expect that they became Li Tian's breakthrough just because of a small flaw, which made them two people injured.
you should know that the special method they used to invite the ancestor god to the body must keep themselves very clean, so as to make the ancestor god successful.
there is a very important premise to keep yourself clean, that is, you can't be injured, because after being injured, blood will also be a symbol of filth, and such a body is very impure.
therefore, if the ancestor god has a wound on his body, the effect of the ancestor god's upper body will disappear...