Its defenders are Nightmare forms: wins here drop Nightmare Shards and, rarely, a Nightmare Pokémon. See The Nightmare World.
Defenders
| Pokémon | Types | Level | |
|---|---|---|---|
| Nightmare Hatterene | psychicfairy | 623 | |
| Nightmare Gardevoir | psychicfairy | 624 | |
| Nightmare Carbink | rockfairy | 625 | |
| Nightmare Tyranitar | rockdark | 626 | |
| Nightmare Gigalith | rock | 627 |
Play Nightmare Relic Castle now
Nearby maps in Nightmare Abyss
Nightmare Pinwheel Forest · Nightmare Wellspring Cave · Nightmare Desert Resort · Nightmare Lostlorn Forest · Nightmare Route 6 · Nightmare Chargestone Cave