章 341: Legendary Blood Beast, Wings of Black Gas! (1)

In the Pharmacy Room on the ninth floor of the Gray Tower.

Green flames slowly heated the crucible.

The liquid in the crucible began to boil gradually. White steam rose and bubbles appeared.

Levi patiently followed the refinement method of the Sandman Potion and carried out all the procedures in an orderly manner.

Bright Heart Pollen, Root of Crohn, Soul Returning Grass, Sleeping Beauty Leaf... He processed the ingredients one after another and put them into the crucible. Levi recited the corresponding Pharmacy incantation as he refined them.

"Zawa... Ludo... Makka... Bakka..."

As the complicated syllables were blurted out, the pot of turbid medicinal soup began to glow with a green light.

Beads of sweat had already appeared on Levi's forehead. It seemed that refining a first-circle potion was even more strenuous than fighting a huge battle with Emperor Mu.