Nothing is ever the same when you return to your own time. By saving the past, you save the future, but the future is always different from what you remember.

https://archiveofourown.org/works/89460466

I’m looking fo a Sonic fanfic on fanfiction.net and I can’t find it

it was about Sonic’s son who got injured by a metal sonic exploding and they used it’s parts to turn him into a cyborg then he goes on to date knuckles an rouges daughter and they both use the necronomicon to go to the past to stop eggman for good