Netherworld Soldiers charged, turning every direction into a hellscape.
Warhorses neighed, blades and spears clanged, and weapons hacked down mercilessly onto the black heart, crushing it again and again.
With a thought from Jiang Chen, it revived once more.
At first, it was defiant and utterly fearless, declaring that it had endured endless years and that this trifling torture could not even make it frown.
But then the Soul Ancestor Commander acted, increasing its sensitivity tenfold.
After several more rounds of charges, the black heart, experiencing boundless agony, finally softened its tone.
"I can serve you, but you must call me Master."
Jiang Chen immediately laughed.
Soul mist enveloped it again, and the black heart's sensitivity was raised to its limit. Even the slightest stirring of wind or grass could bring it stabbing pain.
The Netherworld Soldiers removed their steel masks, revealing their original, most terrifying faces, and employed their respective methods. All manner of extreme suffering descended on the black heart, making it howl despite itself.
"Ah! How dare you... treat me... like this..."
"I am... I am an... immortal!!!"
"..."
"Spare me... I can obey you!"
Only when it said this did Jiang Chen finally wave his hand. But when he saw the Netherworld Soldiers stop, he looked astonished. "Why did you stop? My hand was just a little sore. Keep going!"
In the end, after suffering over a hundred more rounds of torture and nearly going mad, the black heart finally relented, sincerely declaring its willingness to join Jiang Chen's ranks.
However, Jiang Chen discovered that it did indeed have some pride. Even after being tortured to this extent, it refused to say anything groveling.
On reflection, that made sense. Even if it had not been an Earth Immortal, it probably had not been far below