A pitch-black, heart-shaped piece of jade appeared in He Cheng's palm. He forced out a drop of Essence Blood, then handed the jade to Tong Tian.
"Activate your Heavenly Gang Treasure Body to stir the Heavenly Soul within you, then drip Essence Blood carrying its aura into this Myriad Tribulations Stone."
Tong Tian took the Myriad Tribulations Stone and swept it with his Divine Sense. Detecting nothing, he scratched his head and thought no more of it. A purplish-black Heavenly Soul aura appeared in his palm, and he dripped a drop of bronze-colored Essence Blood into the stone.
The instant the blood landed on the Myriad Tribulations Stone, it behaved differently from He Cheng's Essence Blood, which had caused no change earlier.
As Tong Tian's Essence Blood dripped onto it, a heavy, oppressive might gradually thickened around the Myriad Tribulations Stone. Black mist spread, completely shrouding it, until it hovered before the two like a spectral silhouette.
Seeing the Myriad Tribulations Stone take shape, a sharp gleam flashed through He Cheng's eyes.
He casually sent a black talisman into the Myriad Tribulations Stone. The stone hovering before them immediately became a guide and plunged into the waterfall ahead.
Under the Myriad Tribulations Stone's influence, the cascading waterfall turned pitch-black.
Only when the water in the pool beneath the waterfall had been thoroughly permeated by the Heavenly Soul aura did obscure runes on the surrounding stone walls gradually begin to shine with a dark light.
As tribulation light gathered, the entire bottom of the pool opened little by little, revealing a deep corridor leading straight down.
"Let's go."
"This is the passage our two sects have spent hundreds of thousands of years continually perfecting."
"The reason I didn't tell you was that I was afraid that brain of yours wouldn't be