User blog comment:Miskos3/Fairy Tail 535: The Greatest Power, Review/@comment-29778526-20170513015909/@comment-5303512-20170517000931

Why would that make Mard Geer the exception to the side effects of effecting the book? Mard would do the same thing if it meant releasing END, Curses can harm other demons too.

Nor did Igneel have to lie too, yet he said it, Acnologia was not invincible if Igneel could harm him.