Feng Wu had indeed used a Secret Art. Although using a Secret Art came at a price, Feng Wu felt it was worth it if he could absorb Lin Qing.
Using a Secret Art in this Secret Realm allowed its effects to be fully unleashed.
That was because this Secret Realm was not like the Independent Secret Realm Lin Qing had entered in the past, one containing the World Origin. It was an Affiliated Secret Realm dependent on the outer universe.
Using a Secret Art here meant borrowing the power of the outside universe.
A place that could accommodate tens of millions of Peak Divine Lords yet could not accommodate even the most ordinary immortal could never be an Independent Secret Realm.
"Feng Wu, what are you doing? You—you're that legendary Demonic Cultivator!"
After their spiritual power was sealed, these people seemed to react half a beat slower. By the time Feng Wu had lifted both men in his hands as casually as if he had just finished strolling through a market, they hurriedly retreated.
Feng Wu's threat was indeed quite serious, but Lin Qing did not stop him from absorbing these Half-Immortals.
As Feng Wu had said, a cultivator's strength at a certain realm had its limits. The closer one got to that limit, the harder it became to improve.
Feng Wu was already extremely close to the limit of the Half-Immortal realm. His main purpose in absorbing these people now was to improve his Root Bone and talent; the boost to his strength would be negligible.
Lin Qing did not mind letting him deal with the people on the other side first.
"Go down and tidy things up. Try to put the city away before those people return."
The battle that followed was no longer something these native