C591 Five Hundred Li Sword Screen

A large amount of blood energy was injected into the Eternal Immortal Saint Embryo, and it was growing at an astonishing speed.

The Whole Heaven Slaughter Yin Yang Spell was indeed the most suitable cultivation technique for a battlefield. In this battle, Gu Ning could even perfect the Whole Heaven Slaughter Yin Yang Spell.

"Gu Ning, the commander wants to see you." Cao Hua walked over