User blog comment:Real Godisme/Fairy Tail 100 Years Quest Chapter 2/@comment-29778526-20180726172619/@comment-26184007-20180726215321

I still remember from Mashima's interview that he wants to reveal more about Acnologia's past. Possibly, it could explain why he never though about those God Dragons. Who knows, maybe Acnologia's memory got erased or I don't know. We just have to wait for the next upcoming chapters.