Its defenders are Nightmare forms: wins here drop Nightmare Shards and, rarely, a Nightmare Pokémon. See The Nightmare World.
Defenders
| Pokémon | Types | Level | |
|---|---|---|---|
| Nightmare Drapion | poisondark | 550 | |
| Nightmare Nidoking | poisonground | 551 | |
| Nightmare Poliwrath | waterfighting | 552 | |
| Nightmare Sneasler | fightingpoison | 553 | |
| Nightmare Dragalge | poisondragon | 554 |
Play Nightmare Great Marsh now
Nearby maps in Nightmare Dread
Nightmare Eterna Forest · Nightmare Floaroma Meadow · Nightmare Wayward Cave