| Spoiler warning! This article contains spoilers from the game. |
Apple Bloom is Applejack's younger sister and a member of the Cutie Mark Crusaders. She is trapped in a hidden room in the second half of Appaloosan Mines. In order to free her, the player needs to attack the left wall in the room where you have to go up.
The location of the secret entrance to Apple Bloom's hiding spot; break the wall to enter.