The Xuan character on the back of Wei He's hand could now support the full release of all his strength without using secret techniques.
But this was already the limit.
The conversion tissue cultivated from the materials taken from Great Demons such as Lord Heshan could reach, at most, this level.
That was only because Lord Heshan himself was a Great Demon exceptionally skilled in defense.
With others, the results might not be this good.
From these Great Demons, Wei He learned that the Demon Alliance still had three millennia-old great demons.
These three millennia-old great demons were the Demon Alliance's true foundation and trump cards.
Even someone as powerful as Old Mother Minshan was merely on the same level as Lord Heshan. Before millennia-old great demons, any demon or monster could only bow and scrape in submission.
Wei He felt that if he wanted the highest-grade conversion tissue, he might only be able to obtain it from millennia-old great demons.
He planned to first completely unseal his strength, reaching the point where he could use it freely without restraint. Then he would begin stockpiling conversion tissue on a large scale, preparing to open the Great Yue Imperial Tomb.
Within the Great Yue royal tombs beneath the Taiji Diagram Linglong Tower were still many Great Yue True Blood experts.
If he could rescue them all, this land might yet regain the splendor of its former days.
Of course, Wei He's true wish was that there would be some trace of his master, Li Rong, within the tomb.
He could be certain that Yuan Du Zi had left, but aside from Yuan Du Zi, there was Li Rong and the other patriarchs of the Xuanmiao Sect. They should all be inside the tomb.
Therefore, if he wished to open the tomb