Paintball gun? Check. Loaded? Check. Aim, ready, FIRE!

A human falls into Equestria on the day of the Lunar Eclipse.

When Discord betrays the elements of harmony for a second time--this time releasing all of their major villains--there is only one hero who can stop them.

Didn't Celestia ever tell you the story about how her hair got like that? Oh, Uncle Discord knows this story. Quite well, I daresay.