In my opinion, the whole 'you have to forgive the people who did you wrong to be able to move on' idea is bullshit and harmful to victims. You do, however, have to forgive yourself for not being able to stop the bad thing from happening.
Madness string 112781
How about the two of us become monsters and really mess up this whole awful world? Until there's no more evil, no more sadness, nothing left at all. Let's just break, break, break it all to dust.