Unlike before, the current power boost did not require constant killing to maintain the skill. As long as his domain remained open, the power-boosting effect would persist. However, the flesh and blood energy constantly dissipated over time, which meant the boost would steadily weaken. To stabilize the effect, he still had to keep killing.
Finally, he looted his opponent's spoils. Those who entered the Creation Secret Realm never knew if they would make it out alive, so they rarely brought much with them—usually just a few commonly used Divine Artifacts and some healing and recovery medicines. Su Ze collected everything without even looking. He probably wouldn't need any of these items within the secret realm, but he could save them to sell for money once he got out.
