Comments of chapter undefined of Abyss Mage

I am not sure if I understood the question, but I assume you asked about his essence that will still be alive after his death. So just to remind you of some small details, Zelhart and Hulum Ying are basically good and evil, think as something material, manifestation in the air and also affecting his surroundings, people, and so on. You may remember how the people close to Zelhart felt anger and rage, giving them strength as what happened to Claire. What I just said doesn't answer your question, and I know that, think as a clue; I can't explain further than that right now, but maybe it's enough for you to deduct what makes him Zelhart. If not, then just wait a bit, and the story will tell you :)