The greatest feature of this Sword of Heavenly Thunder is that the power of the thunderbolt technique it unleashes can be further enhanced.
After releasing the Five-thunder Righteous Method, Cao Zhen almost didn't pause and raised his hand again, gathering mana from within and channeling it into the Thunder Sword in his hand.
The next moment, thunder light converged on the sword body, with violet thunder covering the blue blade, and faintly, the longsword seemed to transform into a violet hue.
The color violet is originally a combination of blue and red, and some people cannot clearly distinguish violet from blue.
Once a divine skill is used, using it again causes the power to markedly decrease.
