C1742 Seal the Energy of Heaven and Earth

There were conditions for Martial Artist to use martial skills above Grade Seven.

For example, when Ye Xiaofeng used the eighth grade martial skill Mad Devil War Fist back then, only those who had reached the God Level Peak and had aura-qi in their bodies could use it.

Otherwise, even an ordinary Immortal Level Expert might not be able to fully unleash the Mad Devil War Fist