Heavenly Soul Source World, Li Tian Domain.
Ancient Blood Sect Clan.
Su Mo concealed himself to the utmost, transforming into a wisp of blood qi and slipping into a cave.
The cave he chose lay at the very bottom of the valley, and the blood qi emanating from within was both the strongest and the most concealed.
According to Su Mo's guess, a Heaven-Splitting Realm expert of the Ancient Blood Sect Clan might be inside this cave.
Su Mo had come for only one purpose: to spy on the cultivation method of a Heaven-Splitting Realm expert.
For a Dao Realm expert to spy on a Heaven-Splitting Realm expert was like walking a tightrope, dancing upon a blade's edge.
Yet Su Mo was highly skilled and bold, willing to take the risk.
Mainly because he had once fought Di Huo and Qian Heng, two Heaven-Splitting Realm experts, and knew roughly how strong such experts were.
That was why he had the confidence to take this risk.
After entering the cave, the blood qi within grew even denser. Su Mo went deeper and deeper, eventually descending tens of thousands of zhang underground.
The blood qi here was already so dense it was outrageous, as though even space had been solidified by it.
"So strong!"
Su Mo sensed an extraordinarily powerful presence deep within the cave, perhaps even stronger than Di Huo.
This made him consider giving up.
However, after pondering carefully, he thought, If one does not enter the tiger's den, how can one obtain the tiger cub? He remained rather confident in his own strength.
He continued deeper.
To avoid stirring the blood qi inside the cave, Su Mo's transformed blood qi concealed itself in the depths of space.
Thus, wherever he passed, space showed no abnormalities, and even the mountain