Karman made a promise to Keyarga that if he committed suicide, he would accompany him to the realm.
Somehow, people would sexually prey on him and profit from him based on the mere fact that the healer was his name.
For some reason, people used to sexually exploit him and take advantage of him due to the mere fact that he was a healer.
This builds up the climax perfectly and culminates in satisfying aftermath that manages to close all the plotlines.