Huang Xiaolong was unable to extend his divine sense further than a hundred zhang. On top of that was the ever-present heavy gravitational force from the white gas, Huang Xiaolong could only inch forward slowly. Inside this ancient Heart Demon Swallowing Formation, he needed to pause after every step he took.

Due to the potent effect of the illusion formation, Huang Xiaolong needed to stop for quite a while before he could lift his foot and take another step. As the the illusion grew increasingly stronger, the heart demons inside him gained momentum, hence the time Huang Xiaolong took between each step also grew longer.

Seconds and minutes trickled by.

More than three hours passed, yet Huang Xiaolong merely travelled a little over three hundred meters. This was slower than any common mortal crawling on the ground, speed slower than a snail.

After progressing a little over three hundred meters, the resistance...