Cryptic Chasm
Cryptic entrance
Entrance to floor 51+









Set Level

Yes - Floor 51

Secret Room


Silk Room

Floor 50

Level Range

60 to 90

Cryptic Chasm, also referred to by players as 'CCh", is a dungeon in far eastern Tanren, located just past the desert. Rock Smash and Rock Climb are both required to reach this dungeon. On floor 51, the user's party and team will be reset to level 1, but experience can be gained in order to prepare for the boss fight at the end.

This dungeon boasts a large number of Poison- and Ground-type Pokémon, as well as some Pokémon exclusive to it.

Dungeon Parts

In this dungeon, after Floor 30, there is a fake exit that says the following within 6 different slates.

  1. If this is where you ended then you took a false path.
  2. Below the center of obscurity lies the key.
  3. If you are unknown of origin, then that is all you need to know.
  4. By dawn, you must swim the seas. But by dusk, you must walk on land.
  5. An odd past awaits you.
  6. Ahead lies a creature of unimaginable power

There are Unown stones that are on floors: 1, 5, 10, 15, 20, 25. It's recommended to pick them up to progress the dungeon.


This dungeon as a whole holds rocky walls with equally-rocky floors.


Pokémon in bold are recruitable. Please visit the Recruitable Pokémon page for more information.

  • Woobat (3%, 15-40F)
  • Sigilyph (-2%, 30-40F)
  • Klink (1%, 40-50F)
  • Elgyem (-3%, 56-60F)


The boss at the end is Mewtwo. Before the battle, Mewtwo appears, and he says that the chasm was disturbed by the player. After explaining some things, he challenges the player. After his defeat, he then explains some more things to the player, and then erases the player's memories of Mewtwo. Mewtwo then bids the player farewell. Some lines spoken by Mewtwo are references to Pokémon movies Mewtwo Strikes Back and Mewtwo Returns.

  • Mewtwo

Final Boss


Name Location Rarity SpecialTile Visible
Revive ? Rare No No
Max Ether All floors Uncommon No Both
Nugget f15+ ? Walls Yes
Big Nugget ? ? Walls ?
Shiny Stone ? ? Walls/Floor ?
Ether All floors Common No Yes
TM Venoshock Uncommon No Yes
TM Dark Pulse Uncommon No Yes
TM Psychic Uncommon No Yes
TM Steel Wing Uncommon No Yes
TM Flash Cannon Uncommon No Yes
TM Sludge Wave rare No Yes
Razor Claw Rare Yes Yes
Psyche Dust F50+ Uncommon No Both
Silver Key Fake End Box ?
Shady Dust Fake end box ?
Gold Silk 50F ~20% Silk Room Yes
Link Cable True end box Uncommon
Upgrade True end box Uncommon
Dubious Disc True end box Uncommon
Relic Crown True end box Rare
Mobile Scarf True end box Uncommon
Reaper Cloth True end box ?
Max Potion True end box ?

Mystery Eggs

  • Cacnea
  • Mawile
  • Sneasel
  • Sableye
  • Spoink
  • Gligar
  • Natu
  • Drifloon (30-40F)
  • Absol (51F+)

Dungeon Objective

The final boss has a rare chance of dropping Golden Mask. Mewtwo can drop its Heart Slate as well.



  • On floors 1, 5, 10, 15, 20, and 25, there will be stones that spell O-R-I-G-I-N respectively. You must have these stones and enigmatic key to open a door on Floor 30. Note however the door on Floor 30 has a 99 % chance to spawn. If in a party, only one party member needs to have these stones.
  • There is a maze puzzle on Floor 15. On the bottom right, there is a small room that leads to keys needed to open sealed chambers on Floor 30. You must have Dig to dig up these keys. The door at the top right takes you to the exit - it serves as a shortcut.
  • Bring a water (Dawn/Day) or ground (Dusk/Night) type Pokémon. These Pokémon are needed to pass Floor 40.
  • Have the Engraved Tablet in your bag to open the final locked door on Floor 50.
  • Part1
  • Part2
  • Part3, to finish you must use a water-dawn/day or ground-dusk/night


  • Do not enter the regular stairs on floor 30F. There's a sealed room that can be unlocked on Floor 30 with one of the Enigmatic Keys and O-R-I-G-I-N Stones.
  • Have a Water/Ground-type Pokémon such as Barboach or Wooper for Floor 40 if you're not sure you'll make it to the end before the time changes.
  • Bring X ray spec/Safety Goggles and mobile scarf/ghost type since there are many nuggets in walls.
  • A good level range for Mewtwo would be 19-22; keep in mind that level resets to 1 on floor 51, so you will want to be ready to clear each floor almost completely to reach this level bracket.
  • The F40 puzzle can be difficult when the user is in a party, but when one user completes part of the puzzle, the rest of the party members will teleport to the very end of that part.
  • Use Dig on Poke
  • Inside Room


  • The F40 Puzzle used to have timed doors and switches like the first puzzle, but has been changed to be similar to Wallace's gym.
Pokémon Mystery Universe-How to get to Cryptic Chasm (CCh)01:14:28

Pokémon Mystery Universe-How to get to Cryptic Chasm (CCh)

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