Its defenders are Nightmare forms: wins here drop Nightmare Shards and, rarely, a Nightmare Pokémon. See The Nightmare World.
Defenders
| Pokémon | Types | Level | |
|---|---|---|---|
| Nightmare Lapras | waterice | 745 | |
| Nightmare Starmie | waterpsychic | 746 | |
| Nightmare Vanilluxe | ice | 747 | |
| Nightmare Glaceon | ice | 748 | |
| Nightmare Cryogonal | ice | 749 |
Play Nightmare Frost Cavern now
Nearby maps in Nightmare Abyss
Nightmare Route 22 Détourner Way · Nightmare Lost Hotel · Nightmare Pokémon Village · Roshamuul Prison · Nightmare Verdant Cavern (Ilima) · Nightmare Brooklet Hill (Lana)