Thanks to Okimichan for voicing derpy for me, she did such a wonderful job!
https://www.deviantart.com/okimichan

Anthology 7 : https://www.youtube.com/watch?v=t3N8NkabUl4

audio used: https://www.youtube.com/watch?v=IdyXKJ8NcNI

Models used:
Sith twilight and light sabers
https://www.deviantart.com/longsword97/art/The-Friendship-Awakens-Pack-SFM-Gmod-DL-578992833
Starlight Glimmer
https://www.deviantart.com/mariofan48/art/SFM-Season-6-Starlight-Glimmer-Purple-eyes-627615100
Enhanced version by https://www.deviantart.com/tonkano
Derpy
https://www.deviantart.com/juicedane
Jacket
https://www.deviantart.com/percytechnic
Smbmp models
magic particles used by Argodaemon
https://www.deviantart.com/argodaemon/