Deep within the swamp.
A large amount of dark demon qi is concentrated here.
Even within this dark demon qi, there are quite a few demon weapons present.
However, at this moment, these demon weapons have completely turned into cultivation accelerators for Zhou Yu and the others.
Under the bombardment of Zhou Yu's Heavenly Punishment Divine Thunder, these demon weapons couldn't withstand it at all and one by one transformed into spiritual energy of an extremely dense purity.
Meanwhile, Gu Zifeng, Zhang Qin, and others stood beside, continuously absorbing and then began advancing their cultivation realms.
This situation had already persisted for three whole days.
During these three days, Gu Zifeng, who was originally at the Fifth Grade Emperor Realm, had forcibly advanced to the Ninth Grade Realm.
Of course, generally, if someone advances this much in such a short time, it would inevitably lead to becoming possessed or even dying from bodily explosion.
