User blog comment:HumaneEmperor66/1st Blog Post: Dramatic Me Part 1/@comment-27047411-20191015135239

Acnologia can't be forgiven if he wont give those a chance. And Fairy Law is a plot point that can defeat anyone (I believe if one were to use it on Acnologia, the power needed be too much for them).

Sadly Acnologia can not come back, considering he mercilessly and savagely pulverized (as in he stomp his feet into body, blood, guts, etc coming) of Irene in the presence of Erza and Wendy. Irene is Erza's biological mother. He had also killed many dragons and slayers, and since he became a dragon, he would have the nature of a dragon.