Unknown Dungeon (Kalos)

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Unknown Dungeon ななしの洞窟 Nameless Cave "Wild Missingno. appeared!"
Map description:	{{{mapdesc}}}
Location:	Pokémon Village
Region:	Kalos
Generations:	VI
Location of Unknown Dungeon in Kalos.
Pokémon world locations

The Unknown Dungeon (Japanese: ななしの洞窟 Nameless Cave) is a very small cave in southern Kalos that can be accessed from Pokémon Village. A sole Mewtwo resides in the center with either the Mewtwonite X^X or Mewtwonite Y^Y. The Unknown Dungeon is only accessible to Trainers who enter the Hall of Fame. Surf is needed to access the cave.

Its purpose as a place to catch Mewtwo is a direct reference to Cerulean Cave in Kanto. It also shares its name with the alternative moniker for Cerulean Cave used in Japanese releases of the Generation I games.

Geography

The Unknown Dungeon is a tiny cave whose entrance is found in the side of a mountain. The cave is barren in terms of terrain aside from the occasional water drop and the few rocks that dot the floor. Mewtwo awaits the player in the center of the cave, facing away from the entrance.

Items

Item		Location	Games
	Oval Stone	On the small stalagmite in the northwest of the cave (hidden, reappears occasionally)	X  Y
	Mewtwonite X	Automatically obtained after capturing Mewtwo	X
	Mewtwonite Y	Automatically obtained after capturing Mewtwo	Y

Natural objects

Item		Location	Games
	Hard Stone	Randomly found by using Hyper Voice or Rock Slide on a spiky rock during a battle	X  Y
	Float Stone	Randomly found by using Hyper Voice or Rock Slide on a spiky rock during a battle	X  Y
	Damp Rock	Found by using Muddy Water, Surf, or Water Spout on a thin rock during a battle	X  Y

Special encounters

A Mewtwo appears here on the first visit. If defeated or run from, it respawns after entering the Hall of Fame. It is coded to never be Shiny. After being caught, it will leave behind its Mewtwonite X^X or Mewtwonite Y^Y, depending on the game.

Type: Psychic Unknown Ability: Pressure Held item: None Mewtwo Lv.70 Recover Normal Status   --       Psychic Psychic Special   --       Barrier Psychic Status   --       Aura Sphere Fighting Special   --

In the manga

The Unknown Dungeon in Pokémon Adventures

Pokémon Adventures

X & Y arc

The Unknown Dungeon appeared briefly in Malamar Traps, where Mewtwo was shown residing inside the cave, waiting to make its move against Team Flare.

In other languages

Language Title Chinese Cantonese 無名洞窟 Mòuhmìhng Duhngfāt Mandarin 無名洞窟 / 无名洞窟 Wúmíng Dòngkū French Grotte Inconnue German Geheimdungeon Italian Grotta Ignota Korean 이름없는 동굴 Ireum-eomneun Donggul Spanish Mazmorra Rara

Kalos
Settlements Vaniville Town • Aquacorde Town‎ • Santalune City • Lumiose City • Camphrier Town • Cyllage City Ambrette Town • Geosenge Town • Shalour City • Coumarine City • Laverre City • Dendemille Town • Anistar City Couriway Town • Snowbelle City • Pokémon League • Kiloude City‎ Routes 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 Landmarks Santalune Forest • Chamber of Emptiness • Parfum Palace • Battle Chateau • Berry fields • Connecting Cave • Glittering Cave • Reflection Cave Tower of Mastery • Azure Bay • Sea Spirit's Den • Kalos Power Plant • Poké Ball Factory • Lost Hotel • Frost Cavern • Lysandre Labs Team Flare Secret HQ • Terminus Cave • Pokémon Village • Victory Road • Battle Maison • Friend Safari • Unknown Dungeon

This article is part of Project Locations, a Bulbapedia project that aims to write comprehensive articles on every location in the Pokémon world.