User blog comment:FairyRaven/Fairy Tail Chapter 349: The Demon Doriate, Review and Commentary/@comment-33019320-20130830102126/@comment-16336969-20130830144843

Yeah and Eclipse Gate itself was partialy based on stuff form Zeref Book too ^^^

Soon all chara in FT universe and their mothers/fathers/childrens will be able with one glance can quess if something is from THAT book :D (thou that would be ofc too hilarious to ever happen)