Underground Cave from the Return to Dark Castle Teaser. Underground Cave is an indoor level, it takes place in the well underneath Well House, from the Return to Dark Castle Teaser. It contains Some Stalactites, and the Wizard. Contents[show] EnemiesEdit Rats Mutatns ItemsEdit Fireball Potion Orb ExitsEdit Well House - Top of the Screen. Lost River - Bottom of the screen. Dungeon - Falling off the screen. See alsoEdit List of Levels in the Return to Dark Castle Teaser Items Enemies Retrieved from "https://darkcastle.fandom.com/wiki/Underground_Cave_Teaser?oldid=3455" Categories: Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.