C124 The Sword Went out of Fire

Lin Yaoyang was well aware of the reason behind the issue—it was due to the Spiritual Force Weapon being merely a prototype. Naturally, it had its imperfections. Unlike a fully realized Spiritual Force Weapon, it couldn't absorb Qi from the heavens and earth to replenish itself during combat.

After a period of use, the prototype's energy reserves within the sword blade would be depleted