Zombie World: My Apprentice Yue Qiluo

Traversing into the zombie world, he became the ancestor of the Demon Cultivation World, and he also became Yue Qiluo's master. Unfortunately, this traitor still wanted to kill his master. Fortunately, He Yi obtained the Devouring System.
Devour thunder and lightning and gain tempering power!
Devour the corpse gas and gain the power to upgrade!
There is a zombie king?Watch me refining you for my use!
Are there monsters?Watch me devour your demonic energy and achieve my own avenue!
Good apprentice, do you still want to kill the master?
Yue Qiluo: Master, how could the apprentice kill you?It's too late for my apprentice to honor you.
Ninth Uncle: I really didn't expect that there is such a heaven-defying spell in this world. The Taoism I have practiced all my life is less than half a day's breakthrough!