He was slightly used by the local dusk mercenaries, but Zheng Yichen didn't mind. His goal was to find these special life forms, and it was fine to help the local dusk mercenaries deal with them and remove potential threats.
The special beings lost their reason and self, so when Zheng Yichen acted, he had no major psychological burden.
Compared to obtaining some special traits, he leaned more towards gathering more intelligence, and the body's recovery was just a bonus.
In fact, this bonus part was practically useless to Zheng Yichen as his current physical recovery didn't affect his combat prowess.
Whether he recovered or not, it wouldn't make a substantial difference; after all, when fully utilizing his power, he didn't rely on his physical body.
He transformed into an existence akin to the environment, where his strength was no longer bound by his physique but by the essence of the individual.
