Natsu vs. Zeref is the 294th episode of the Fairy Tail anime, and the 17th episode of the 2018 series.
Personality. 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 present.
Appearance. Though Zeref appeared to be a young man he was actually just over 400 years old but due to his Cursed immortality he retained a youthful appearance throughout his life.