Sealed Chamber

Sealed Chamber is a dungeon in Hoenn. It has 49 tiles arranged in a 7x7 square, including 7 chest tiles, 17 non-boss encounter tiles, and 1 boss encounter tile.

Pokémon

 * Zubat
 * Golbat
 * Tentacool
 * Regirock (boss)
 * Regice (boss)
 * Registeel (boss)