Explosion

Boom!

A deafening explosive sound echoed in the room as the furnace exploded, covering the whole room in dust.

Suddenly, a whirlwind erupted, sweeping away the dust outside the window and destroying the window of the alchemy room, revealing Lu Zhen, who was covered in dust.

"Sigh, what went wrong?" He questioned himself as a frown appeared on his face.

Lu Zhen recounted his whole process; however, he couldn't find anything wrong with it. The process was all smooth, to the point where Lu Zhen felt it was even easier than making paste, but the last part felt off, as if he had missed a crucial point.

"How do I form that symbol? Can I only form it when I become a first-stage Martial artist?" Lu Zhen had many questions in his head that hadn't been answered until now.

"Forget it; I will make paste for now," Lu Zhen thought as he took out another cauldron from the shelves.