Every day for a year Starlight Glimmer has visited Cozy Glow in Tartarus in an attempt to get through to her, to try to understand why she did what she did. Every Day Cozy has refused help by telling more lies and fake stories about her past. But Starlight knows from experience that no one is beyond saving, so she decides to put everything on the line to help Cozy Glow, whether the stubborn filly wants it or not!

[Spoliers for What Lies Beneath]
Cozy Glow DID have a plan in the works. It was simple and it was easy. All she had to do was get it in every creature's minds that their friendship wasn't natural. A fight would occur, she would lead them all to the Tree, and then they could fix all her problems without her having to raise a hoof! With an excuse at the end~!

That was the plan, but Cozy Glow had decided that instead of them finding the place themselves, she would take them to the grate in person. In the end, she accidentally got herself wrapped up into the dark roots below that waited to see what her fears were... and if she could face them.

For more of the story:
Cozy's Dilemma

Summer break is upon The School Of Friendship and every pony has plans of how to spend the time away from academics (Sans Twilight)

Starlight has plans, too. However they are ones that only Trixie knows of and even The Great And Powerful illusionist isn't totally aware of what Starlight plans to do upon releasing Cozy Glow from Tartarus.

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This is a fun story that explores a theory I came up with for how Cozy Glow came to be and why she is the way she is. Enjoy!

This story is a sequel to An Innocent Glow:Talking To Counselor Starlight

Apple Bloom,Sweetie Belle,Scootaloo and Cozy Glow go to a carnival which has just arrived at Ponyville.

After Equestria almost fell at the hooves of Cozy Glow, Twilight Sparkle visited the filly in Tartarus multiple times. She had been talking to her, tried to get to the bottom of why she almost singlehoofedly brought down Equestria by manipulating her fellow friendship students and attempting to banish all of its magic into another realm.
But no matter how often she asked or how much she probed for an underlying reason behind all this, Equestria's youngest enemy only kept reiterating that friendship is nothing but power for her.
Cozy Glow was a special case. But she wouldn't be the Princess of Friendship if she were to give up on a struggling friendship student. Maybe she really was not able to teach Cozy Glow the true values of friendship and neither were her five closest friends. But maybe others could succeed where they have failed.

And so, Twilight goes and assembles a team of ponies and creatures to teach Cozy Glow about Friendship, Villainy, Betrayal and the struggle to choose between Good and Evil.
The only catch was that Tartarus' security level has been increased.
But that's what letters are for.

Set between Season 8 and Season 9.

This story is a sequel to An Innocent Glow:Going To The Carnival

Since the summer holidays are over,the School of Friendship has reopened its doors so that students old and new can learn about friendship.

Cozy was never in Tartarus. Cozy never met Grogar nor Chrysalis. Cozy is not in prison, except the one in her mind.

This story is a sequel to An Innocent Glow:A School Raze Rewrite

Three days after magic has returned to Equestria , Cozy Glow visits Counselor Starlight Glimmer to talk about something….