"What a Chaos! If you hadn't been constrained by the rules, I would truly have had to expend quite some effort today!"
At that moment, deep within the Primordial Underworld, the Blood Prison Space's blood-colored stellar core suddenly trembled and let out a satisfied hum.
Immediately afterward, a brand-new and powerful fluctuation of rules, carrying the aura of Styx while also incorporating the characteristics of the Abyss, erupted from within the Blood Prison Space and swept across the entire Primordial Underworld in an instant!
Tartarus's furious roar abruptly ceased, replaced by the cold voice of the Lord of the Blood Prison:
"Let the Abyss Authority all fall under my control. From this day forth, the Primordial Underworld shall be the Blood Prison Nether Heaven!"
As his voice fell, the rules of the entire Primordial Underworld immediately began to change.
The pitch-black Abyss was silently dyed blood-red. The Styx surging from the five Gates of Underworld Authority directly transformed into branches of the Blood River, while countless native Underworld monsters transformed into new Blood Underworld War Spirits under the Blood Prison's rules.
The divine beings of the two Divine Systems, including Zeus and Cronus, could no longer withstand the crushing tide of the Blood Underworld War Spirits. They had no choice but to lay down their weapons and allow their own rule powers to be slowly stained with a hint of blood-red.
At this moment, the blood-colored stellar core also underwent a violent transformation. As it shook, it directly turned into a blood-colored figure nine-tenths similar to Styx.
Countless chains of rules that fused the Primordial Underworld with Styx's own Blood Great Dao revolved around him.
After plundering the foundation that Tartarus had accumulated over endless years, his aura also began to rise madly under the support of the entire Blood