Ponies will pass and go but the cinders of betrayal will burn eternally...

Discord and Serenity go to Starbits and Discord decides whether she likes it or not. She probably does.

It's exactly what the title says.

After thousands of years, Discord, The Lord of Chaos is seen again in Equestria. However, he doesn't appear to be the same chaotic creature he once was.

It's just a scarf. It has no purpose or meaning to anypony else. But it has meaning and value to me.

After the incident of Twilight leaving, Princess Sunset Shimmer follows her through the mirror and attempts to bring the lost pony back to their world.

A draconequus who's troubled by her past and who she is vows to remain a pony for the rest of her life. Well, not all promises remain unbroken.

Seeing you down in the dumps, the Lord of Chaos attempts to help you feel better.

While in the Crystal Empire for her first Princess Summit, Sunset Shimmer comes across a strange mirror hidden away in the empire with a strange pony in it that she could have sworn she's seen before.

Fluttershy has a conversation with Discord who's still encased in stone.

Discord plans to spend his Hearth's Warming with his marefriend until suddenly he notices that she's gone missing.

Trixie stops hanging out with Starlight and claims herself as "busy" all the time. Starlight investigates what she's actually doing.

Trixie's hat, sobbing, confusion, what's going on here? What's happened to the Great and Powerful Trixie?

Discord isn't the only draconequus looking to rule Equestria and this gal seems to want not only Equestria but Princess CelestIa's throne as well..

What if the Lord of Chaos was reformed in a different way? Perhaps through the younger Element of Kindness?