He had not refined it as a mere artifact. He had thoroughly grasped its mysteries and refined it as a divine ability. Its power was no weaker than Lightning Emperor's, and its true peak power had yet to be fully displayed.
Like the Creation Universe Palm, the power of this divine ability would rise along with Ye Xiwen's strength, as though it had no limit at all. At the very least, Ye Xiwen had yet to see the limit of the Heavenly Punishment Eye.
All of this had raised Ye Xiwen's strength considerably. If he encountered Lightning Emperor again now, he would not need to fight a prolonged battle as before. He could bring Lightning Emperor down in no time at all. As for Night Emperor, a single exchange would be enough to severely wound him, and another casual strike could kill him.
Such an increase in strength was utterly shocking. Naturally, the Mysterious Space had played an indispensable role. With a King Tier Dragon Vein within him, the Mysterious Space could analyze things every moment without worrying about insufficient energy. No number of Second Grade Dragon Veins could compare.
As long as there was enough energy, the Mysterious Space would operate at breakneck speed, and all of it would eventually be transformed into Ye Xiwen's strength for his use.
Within a certain space, terrifying sword radiance filled every corner. At its center floated a Sword Qi tens of thousands of miles long, controlled by sword intent and releasing terrifying might at all times.
This was a Heavenly Venerate-level method. Even an ordinary Emperor Lord could be severely injured merely by approaching it, much less being struck directly. That would practically be a dead end, with no other possibility.
At this moment, beneath that sword intent, an altar floated up