They are primarily lead by Shadowfright when a host wasn't found yet. They are composed of rabbits, cats, wolves, bats, and Nightmare Soldiers.
Known Hosts in LOTM
- Princess Luna (Nightmare Moon)
- Rarity (Nightmare Rarity)
- Agent Nevada
- Jacob Hendricks
The B Team Storyline
The Nightmare Forces join The Viking Alliance to help Nightmare Rarity. After Nightmare Rarity and Spikezilla's defeat, they were betrayed and killed by Azog and their former comrades.
Fire Rebellion Storyline
The Nightmare Forces serve as the main antagonists of Season 7. They serve as the archenemies of the Brotherhood of Steel.