Watching the furious white-robed youth, Liu Bai smiled faintly. His heart jolted violently, and an inexplicable ripple suddenly spread outward from his heart.
Before the two Fourth-grade Supreme elders could make a move, they suddenly spat out blood and looked over in terror...
To reach Initiation in the Supreme Heart Demon Scripture, one first had to use Nether Heart Demon Lightning to condense a Mind Demon Seed within the heart. This process was the first major hurdle in cultivating the Supreme Heart Demon Scripture, but with the system's help, Liu Bai had completed it without suffering any pain.
At this moment, he was using the Mind Demon Seed's power to directly trigger the inner demons of the two men opposite him. Combined with Nether Heart Demon Lightning, its power was several times greater than when he had killed the Earth Rock Rhinoceros.
However, the reason he had managed to injure them so severely was also because he had caught them off guard. They knew nothing about Liu Bai, so naturally they could not have guarded against an intangible and formless attack like Nether Heart Demon Lightning. That was why he had achieved such results.
Otherwise, if a Fourth-grade Supreme had been prepared, Nether Heart Demon Lightning alone would not have been able to harm them.
Unfortunately, outsiders did not know this.
This sight stunned many of the people around them, and one by one, they could not help taking a step back.
Although those bold enough to come watch the excitement were no ordinary people, each possessing Supreme Cultivation, none had truly reached the fourth grade. After all, experts at the level of Fourth-grade Supreme would not remain in a place like this unless they were accompanying guards like Elder Lin and Elder Mo. Otherwise, they would have gone deeper