This process is somewhat similar to the evolution of a beast.
The final forging didn't last long.
Soon, accompanied by a clear sword hum, the long sword in the Forging Furnace trembled all over. Without waiting for Lu Ziye to make a move, it flew out on its own. After colliding with the Extreme Cold outside, the crimson patterns on it gradually dimmed, while the ice-blue patterns gradually brightened.
Strands of light patterns froze in the void, wrapping around the sword body, finally converging sharply and being absorbed into the sword.
Although Lin Su didn't quite understand spirit weapons, he could see that this long sword's spirituality was much stronger than other spirit weapons he had seen before, and its aura was significantly more imposing.
"It's done!" Lu Ziye chuckled with obvious delight on his face.
"Brother Lin, now my spirit weapon has reached a quasi-mid-grade level!" He winked, "Do you know what this means?"
"What does it mean?" Lin Su asked cooperatively.