Notes:

Nightmare Moon/Luna – Tries to make the night last forever. – Banished into the moon the first time, forgiven with no punishment at the second time.

Discord – Rewrites reality for fun – Turned back into stone. Forgiven a season later with very little reason and punishment.

Chrysalis – Tries to take over the knigdom from the inside. – Not forgiven but maneged to escape punishment.

Sombra – Evil tyrant that took over a empire. – Broken into 1001 pieces!

Tirek & Discord Team Up – Stole all of the magic so they could be the strongest and for the lols. – Tirek is send back to Tartarus while Discord is forgiven wiht no punishment.

Starlight – Tried to force everyone to be equal and then rewrote history multiple times. – Forgiven with no punishment and becomes a main character of the cast.

Pony of Shadows – Tried to drown the world in darkness. – Banished into the void.

Storm King & Tempest – Tries to take over the kingdom. – One is broken into 99 pieces while the other is forgiven with no punishment.

Cozy Glow – Tries to eliminate all magic from the world and to take over the school. – Send to Tartarus.

There's a punishment problem in this series.