Thread:Ash9876/@comment-3008090-20130824231157/@comment-2089817-20130905213857

Ash9876 wrote: Well, Fairy Tail is an anime about mages, magic, etc. The ability of Death Magic that Zeref uses is, well, essentially an ability which involves Zeref utilizing his power to kill all life around him. Though I don't know how exactly he does this, I'm sure you could use some sort of Bleach explanation to do so.

You could relate it to Barragan's Time Dilution Field and Aging power.