[ 'King Selfishness?' That sounds like something someone would call the King of Fiore as an insult, not a title someone would actually be proud of. Well, stranger things have happened in his world. No need to get into the sheer amount of Gonks that have appeared throughout the series. ]

Only one thing is both capable of, and willing, to destroy my world. [ And it's something he doesn't particularly enjoy talking about. Mashima pls to be giving more background on Zeref and Acnologia? ] Humanity may be incapable of learning from the past, but so long as the world exists, it can heal.

[ He visibly flinched as she says his heart as black. His eyes clamped closed. Thanks, he really didn't need that reminder. Zeref may be an emotional wreck and a ticking time bomb after Hades set him off, but... ]

I will never serve the kind of person who made my very existence possible. [ Not even gonna touch that comment about his heart. ]