Qin Heng took out several rare treasure weapons and assembled them into a drill, boring through the hard, thick surface of Eternal Flame Mountain and descending into the strata below.
Within his Sea of Consciousness, he created a map, copying the entire shape of Eternal Flame Mountain into a simple 3D model.
As he moved through this model and dug tunnels, the areas his divine sense could detect became the "explored" regions.
He would travel back and forth through the underground layers, avoiding the "explored" regions and investigating every section as thoroughly as possible to ensure nothing was missed.
Drilling underground was far, far slower than flying or teleporting, but with Qin Heng's abilities, it was not so slow as to become unbearable.
He calmed his mind and explored at a measured pace, while the perception abilities of the two supreme treasures at his side were pushed to their limits, helping him search the surroundings for traces of treasures.
At first, near the surface, there was basically nothing worthwhile.
But on the third Void Ember Day of drilling, the Great Azure Origin Court Bell issued a warning. "Qin Heng, there seems to be someone below and to the left. A person, not a treasure!"
"A person? What sort of person?" Qin Heng's divine sense had not detected that aura.
Brother Zhong said, "Their soul fluctuations have reached the intermediate emperor level, but something is off. They seem rather weak."
Weak?
"Let's take a look." Qin Heng made his decision without hesitation.
He could defeat an Intermediate Saint Emperor. Even if he could not kill the other party, he himself would be fine. There was no need to fear taking this risk.
Besides, the other party was in a weakened state, so the threat was low.
He adjusted his direction and