Ancient Sword Gate's Two Great Geniuses

Island of Utmost Evil was an exceptionally peculiar place even across the entire Upperstream. As Myriad Treasures Sect's prison, it lay at the boundary between the Midstream and Upperstream, and ordinary people did not even know it existed.

Yet to the major powers privy to the truth, Island of Utmost Evil had an exceedingly resounding reputation within their circles.

The reason was the prisoners inside.

As prisoners, Myriad Treasures Sect naturally could not simply occupy a patch of land and feed them for nothing. Thus, the prisoners had to create value. Those who could offend Myriad Treasures Sect without being killed, only to be imprisoned instead, were all far from lacking in talent.

After Myriad Treasures Sect stripped them of their names and placed restrictions upon them, aside from a handful of top-tier criminals who truly could not be subdued, the rest were basically sold off in secret. In other words, after changing their identities, these criminals would become the buyers' slaves, cultivation furnaces, thugs...

Naturally, the value of these prisoners was equally terrifying. Generally speaking, they would be sold for astronomical prices!

After all, these were living cultivators who came with their cultivation. Their cultivation techniques and inheritances were sold along with them, so most people simply could not afford such things.

Myriad Treasures Sect had also taken this into consideration. Thus, Island of Utmost Evil thoughtfully offered short-term rental services. So long as one paid a certain price, one could temporarily obtain the right to use a particular prisoner within Island of Utmost Evil's territory.

For this very reason, many people seeking breakthroughs would secretly come here, rent a cultivation furnace, and use them to make a breakthrough.

Since it was not advertised, those who knew of this place were basically cultivators of some standing. It could be