Submerged Cave

Submerged Cave (Japanese:  Underwater Cave) is a dungeon in Pokémon Super Mystery Dungeon that is located near the Air Continent. It sits underwater, directly above the Prehistoric Ruins. It is unlocked after encountering in Lively Town, after the undefined escapes from the Voidlands.

On the first visit, Beheeyem accompanies the player and their partner on their way to the Prehistoric Ruins after most of the Pokémon of the world have been turned to stone.

In other languages
Meeresgrotte 海中洞窟