Song Zhong did not kill the last demon cultivator.
An early-stage Forget Dao Realm—one casual blade of saber energy really could have killed him. The main reason was that he wanted to keep this cultivator alive to search his soul.
Ever since he had begun cultivating, the number of times he had searched souls could truly be counted on one hand.
It was not that he had no means of soul-searching. The main thing was that he had no use for it.
Most of the time, he simply killed outright, destroying a Great Thousand World at the drop of a hat, wiping out all the cultivators on an entire battlefield. Where would he need to search souls?
Moreover, he had always fought other cultivators across cultivation realms—and it was not even just crossing one cultivation realm.
Soul-searching was very special. Even if he was stronger than other cultivators, if those cultivators' cultivation realms were higher than his, it was still not easy for him to search their souls.
Now that he had finally run into a cultivator one level lower than him, how could he not give that soul a proper search?
The main point was that there was no other way. That Tiger Demon Clan cultivator was a Quasi-Saint, so he could not search his soul. He could only search the soul of this demon who had followed along.
Song Zhong quickly brought this demon to a hidden cave, then entered it.
Generally speaking, unless the gap between both sides' cultivation realms was extremely large, or the other party completely opened their soul and offered no resistance, soul-searching first required heavily injuring the other party, leaving them in a half-conscious state. That was when soul-searching was easiest.
Song Zhong had nearly knocked this demon unconscious with severe injuries using