As the incomparably dense blood energy and Negative Energy flooding in from all directions were slowly drawn into the Battle Soul Blood Banner, the corners of Ye Zhen's lips curled upward slightly.
This would work!
The Battle Soul Blood Banner could absorb the bloodlight pouring forth from the erupted Mysterious Bloodlight Grand Formation beneath the earth.
Ye Zhen was delighted. The Battle Soul Blood Banner had found another path to advancement.
Moreover, judging by the current situation, the bloodlight erupting from the Mysterious Bloodlight Grand Formation beneath Laiyang Fortress alone was enough for Ye Zhen's Battle Soul Blood Banner to absorb.
With such a vast ocean of bloodlight, never mind absorbing all of it—even one-thousandth or one-ten-thousandth of it would provide enough bloodlight and Negative Energy for the Battle Soul Blood Banner's rank to break through repeatedly.
It was simply that even Ye Zhen did not yet know whether, by devouring this bloodlight and all manner of Negative Energy, the Battle Soul Blood Banner could truly turn decay into magic and break through to become a Xiantian Spiritual Treasure.
In the other inheritances of Ancient Demon God Yan Chen, it was only said that the Battle Soul Blood Banner had the potential to raise its rank to that of a Xiantian Spiritual Treasure.
But exactly how it was to be raised had never been mentioned.
And among the methods Ye Zhen currently knew, the only way for the Battle Soul Blood Banner to advance in rank was to continuously absorb blood energy and all kinds of Negative Energy.
Still, whether absorbing massive quantities of blood energy and all kinds of Negative Energy could allow the Battle Soul Blood Banner to break through to a Xiantian Spiritual Treasure would be revealed soon enough.
The blood energy and all kinds of Negative