Hong Huang: Appreciate my teacher, I will refine the mythical golden elixir

Once Luo Xuan traveled through time and became a congenital human race, he faced a catastrophe of a lich.Fortunately, activate the system, learn from Lao Tzu, and from then on, alchemy is unparalleled.
Lao Tzu: "Disciple, why is the quality of your Nine-Turn Golden Elixir so high? Teach me as a teacher!"
Yuan Shi: "Nephew Luo Xuan, give my uncle some golden pills, and my uncle will exchange it with you for a Pangu banner."
Tong Tian: "A bunch of trash, when you can be half as good as Luo Xuan, you will be satisfied as a teacher."
The Second Saint of the West: "Luo Xuan, your elixir...is poisonous!"
Nuwa: "Nephew Dan Dao understands the mystery, why don't you come and sit in my Wa Palace?"...