Within the heavy thunderclouds, lightning roiled endlessly, all of it drawn by the golden killing sword in Li Qing's hand.
Boom!
Every bolt of lightning was ten thousand zhang long, carrying an aura capable of destroying heaven and earth as it crashed down.
Yet Li Qing felt no palpitations. He still charged straight toward the Formless Sage Ancestor without hesitation.
He was extremely fast. With the Wind Thunder Silver Wings behind him, the speed he displayed was undoubtedly the greatest in the Human Realm.
Li Qing's plan was simple. He intended to drag the Formless Sage Ancestor into undergoing this Spirit Treasure Tribulation with him, while relying on the Lightning-Repelling Robe to avoid being affected by this heavenly tribulation.
He would use the lightning tribulation to suppress the Formless Sage Ancestor, then use the Immortal Slaying Sword to kill him completely.
This was the only way Li Qing could think of to break the deadlock. If even this could not deal with the Formless Sage Ancestor, then perhaps no one under heaven could restrain him.
"Kill!"
In An Instant, Li Qing, holding the Immortal Slaying Sword, slashed down at the Formless Sage Ancestor.
Whoosh!
Where the sword edge passed, space shattered!
The Immortal Slaying Sword's power was too terrifying. Before its tribulation had even reached completion, the Human Realm's space was already faintly unable to bear the sharpness of its blade.
This was a truly peerless treasured sword, utterly worthy of the name Immortal Slaying.
"Great Formless Demonic Art, Void Transformation!"
The Formless Sage Ancestor murmured, and a great amount of Origin Demonic Energy erupted from his body like a geyser.
He no longer intended to use the methods he had plundered from these Immortal Cultivators to face his enemy. That would be far too arrogant. Li Qing, now wielding