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Unknown Dungeon is a cave in Kalos. It can only be accessed once the Pokémon League has been defeated.

To reach Unknown Dungeon, one must travel through Route 20 to the Pokémon Village and bring a Pokémon who knows Surf. The entrance is located behind a ledge and can be accessed from the surfable river.

Pokémon

Mewtwo XY
Mewtwo
Level:
70
Type:
Type Psychic
Ability:
Pressure
Held item:
None


Items

Items
Item Games Location/Method
MewtXMS Mewtwonite X X After defeating/capturing Mewtwo
MewtYMS Mewtwonite Y Y After defeating/capturing Mewtwo
Oval Stone Oval Stone X/Y Northwest of the cave - hidden, reappars occasionally
Items
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