Cell Number Three in the Heavenly Prison.
After a night tormented by the sound of the bell, Zhou Yu had thoroughly figured out all the mechanisms of the dungeon and had integrated these mechanisms into the Demonic Roar.
The Demonic Roar, once modified, dramatically increased in power.
Zhou Yu estimated that ordinary experts of the Early Holy Realm probably couldn't withstand the sonic attack of the Demonic Roar.
Even those in the Mid-Holy Realm, if caught off guard, would be greatly affected.
If he were to confront Gu Hongcai and Hong Ligui with the current power of the Demonic Roar, it certainly wouldn't be as strenuous as before.
At this moment, Zhou Yu's face wore a smile.
Unexpectedly, there had been some surprising gains in the dungeon of Haizhou Martial Hall.
Just as Zhou Yu was feeling secretly thrilled, a series of footsteps approached.
Zhou Yu immediately restrained his smile, turning to look.
Soon, the dungeon window opened.
Zhou Yu saw who the visitors were.
