With the support of the Sea of Blood Formation, if the Immortal-Slaying Sword Formation could speak right now, it would definitely say: I lack nothing now!
Sea of Blood Formation!
This was the unique grand formation created by Sea of Blood Styx!
When Cangyuan had sought out Styx to discuss a strategy for attacking Heaven, Styx learned that they intended to use the Immortal-Slaying Sword Formation against the Four Saints and said, "Most of the Immortal-Slaying Sword Formation's power comes from the baleful energy between Heaven and Earth. If the Four Saints isolate Heaven and Earth at this time and cut off its supply of baleful energy, the Immortal-Slaying Sword Formation will surely be greatly weakened."
Cangyuan sincerely sought his advice. "What brilliant method do you have, fellow cultivator?"
Styx said, "I have a formation called the Sea of Blood. Once activated, it can continuously draw baleful energy from the Nether Sea of Blood."
Cangyuan understood.
What kind of place was the Nether Sea of Blood?
It was the filthiest place in the Prehistoric World.
Legend had it that it was formed from Great God Pangu's navel.
Ever since Heaven and Earth had been opened, the blood and resentment of every living being that died in the Prehistoric World had flowed into the Sea of Blood. Over countless years, the baleful energy accumulated in the Nether Sea of Blood was unimaginable!
Calling it inexhaustible would not be an exaggeration!
Styx lent the Sea of Blood Formation to Cangyuan!
It was this very formation!
There were two Sea of Blood Formations!
One lay deep within the Sea of Blood. Its purpose was to absorb!
The other could be carried anywhere and deployed throughout the Prehistoric World, where it would release!
At this moment, the Sea of Blood Formation enveloping the Immortal-Slaying