Shi Mu moved his wrist, and placed the magic brush on the surface of the black blade.

"Brother Shi, can it be that you intend to superimpose the charm spell once again…" Zhao Ping asked in a muttering tone. He seemed to be stunned.

Shi Mu was silent. However, his hand continued to move. Surprisingly, the speed of his drawing had become multiple times faster than before. The third charm spell was superimposed successfully after a while.

However, Shi Mu didn’t stop. Instead, he started to draw the fourth time.

Meanwhile, the temperature of the black blade had started to decline. Its color had changed from fiery-red to dark-red.

Therefore, Shi Mu’s wrist didn’t move as swiftly as it had before. The degree of hardness of the blade got enhanced with his last stroke. So, it became extremely difficult to draw the charm spell.

The black blade was still on the casting platform. It had almost resumed its original state. Suddenly, the carved Fiery Inflammation Charm Spell emitted a bur