You better create a damn good caveat for giving up the natural fate of death for power AND immortality in the next chapter, author, otherwise there should be hundreds if not thousands of immortal mages in that world.
One obsesses over her master day and night, another struggles with her succubus portion, and the last is going on journeys and becoming a hero while receiving grand tributes.
If the twink isn't getting his ass handed to him next chapter and our MC interjects by asking him if he needs help, but then quickly corrects himself by apologizing and saying he should ask the twink's master, I'm gonna be upset.