Zeref

Zeref is considered to be the strongest, most evil Mage of all time, who possesses extremely dangerous, and powerful Magic. He currently appears as a reclusive, self-hating youth who cannot control his powers.Zeref is said to have been the darkest, most evil Mage in the history of the Magic World, mastering the Black Arts and creating many Demons, some of which still wreak havoc in the presentIn the modern era, Zeref seeks to isolate himself and is very calm, sincere, and conflicted.[10] He wishes to die to atone for all the sins he has committed, and may commit in the future. He shows concern for others when he warns them not to come near him, knowing that they would die if they did. He is also somewhat emotionally fragile, as when he realizes that Natsu is not ready to kill him yet, he breaks down in tears. Zeref often kills with no prior incentive or knowledge.