Undercity Catacombs
Undercity Catacombs
Undercity Catacombs Entrance







Set Level


Secret Room


Monster Houses


Level Range


Undercity Catacombs is a dungeon located in Tanren, in the Undercity. The only HMs needed to access it are the ones necessary for reaching the Undercity: Rock Smash and Rock Climb. Rock-, Ghost-, and Poison-type Pokémon are abundant here.

Dungeon Parts

First Floors UC


Lower Floors

  • Floors 1-20

The walls consist of brown stone walls with a darker brown stone floor. Water is found infrequently here, mostly in clumps of one or two tiles.

Upper Floors

  • Floors 21-30

The scenery stays the same as earlier floors. Water no longer spawns. Rooms become larger than previous floors.


The Pokémon here are Ground, Ghost, Dark, Steel, Rock-type.

Lower Floors

Name Specific Floor? Chance Time Of Day
Sableye All floors
Onix All floors
Haunter All floors
Lairon All floors
Golbat All floors
Marowak All floors
Dusclops All floors
Spiritomb All floors

Upper Floors (F21 - F30)

Name Specific Floor? Chance Time Of Day
Lampent F21+
Gengar F21+
Durant (11.3%) F21+ All time
Golem F21+
Aggron F21+
Gliscor F21+
Houndoom F21+
Shiftry F21+
Musharna F21+
Yamask F21-29? Dusk/Night?


Item Floor, Water, Or Wall Hidden?
Ekop Floor No (Yes)
Rotten Apple Floor No
Reviver Seed Floor Yes
Vanish Seed Floor Yes
Ether Floor No (Yes)
Max Ether Floor Yes
TM Will-O-Wisp Floor No
TM Dark Pulse Floor No
Moon Stone Floor Yes
Dusk Stone Floor Yes
Sun Stone Floor Yes
TM Shadow Ball Floor/Wall Yes
Dark Diamond Wall No
Ghost Diamond Wall No
Recycle Orb Floor No
TM Facade Floor/Wall No
Honey Pickup No
Big Nugget Wall Yes
Cleanse Orb Floor No
Rare bone Floor No
All Power-Up Orb Floor No
Health Orb Floor No
Invisify Orb Floor No
Slumber Orb Floor No


  • Onix (2)
  • Steelix

Ending Box

  • Ekop
  • Relic Copper
  • Relic Silver
  • Relic Gold
  • TM Payback
  • King's Rock
  • Psyche Dust
  • Reaper Cloth
  • Invisify Orb
  • Max Revive
  • Purple Bow
  • Restore Power
  • Rotten Apple
  • Metal Coat
  • Shiny Stone
  • Dawn Stone
  • Purple Gummi
  • Revive
  • Old Gateau

Secret Room

There are 2 boxes in the secret room. The boxes may contain the following items:

Secret Room Undercity Catacombs

Undercity Catacombs, Secret Room.

  • Nothing
  • Moon Stone
  • Sun Stone
  • Dusk Stone
  • Relic Vase
  • Lum Berry
  • Lunar Ribbon
  • Relic Copper
  • TM Shadow Ball
  • Max Revive
  • Revival Herb
  • Rare Fossil
  • Max Potion
  • Rare Bone
  • Relic Gold
  • Revive
  • Restore Power

(The list is incomplete, so feel free to edit it.)


The Puzzle

Here is how you get through this section.

2-3-7 is the fastest route through the puzzle on floor 20

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