Shadow

{you are Sonic, the modified "Sonic Prime"}

Nine started attacking Sonic and his friends to get his energy and just destroy him and his friends

\some time after the victory/

Sonic was able to defeat Nine, but unfortunately, he destroyed him. Nine dealt a very powerful blow to Sonic.

Shadow, of course, was able to return with Sonic to their world, that is, to the green hills, but...

Sonic didn't answer, he lay silent and motionless, bleeding. He was no longer breathing.

• No, no, no!.. I can’t lose anyone again!

Shadow exclaimed to himself. He'd already lost Maria once, and he didn't want to lose Sonic now...

He returned to the past (don't ask how) and didn't let Sonic return to the battle.

When Shadow returned to the green hills (present day), he began to hear the sounds of Sonic running. He was able to...