The dungeon is similar to Oblivion Forest in the items and rules it has. The player cannot bring any money and more than 8 items; any excess will be lost forever if not stored. Pokémon in the third and fourth slot will be returned to Chimecho Assembly upon entering.
The jobs here are ranked ★4 or ★5 by default, depending on the floor.
All floors are large, with following amount of rooms:
3-7 on floor 18
3-8 on floors 1, 10 and 16
3-9 on floors 2, 9 and 17
3-10 on floors 3, 8, 11 and 15
3-11 on floors 4, 7, 14 and 19
3-12 on floors 5, 6 and 13
3-14 on floor 12
There's 2-5 items on floors 1 through 5, 3-6 on floors 6 through 11 and 4-7 on floors 12 through 19. There's also 2-5 items buried in the walls. The items have 8% chance to spawn sticky.
The amount of starting enemies varies per floor:
2-4 on floor 1
3-5 on floor 2
3-6 on floor 3
4-7 on floor 4
4-8 on floor 5
5-9 on floors 6 through 19
There's 20% chance that a Monster House on floors 9 and 15 will spawn without items.
The IQ Booster activates every floor. The turn limit is 1000. There is heavy darkness in the dungeon. There is water on floors 4, 6, 10 and 15. There is shallow water on floors 16 through 19 and deep water on floor 18. Enemies in this dungeon have 330IQ on floors 1 through 16 and 331 on floors 17 through 19 (which makes them no longer use their regular attack). The player cannot be rescued if knocked out.
The weather is rain on floors 5, 7, 10, 12 and 16.
At the end of dungeon there is a Deluxe Box containing either a stat-boosting item or team leader's exclusive item.
Suicune can only be fought through a challenge request
Items
When the game spawns Poké, it will spawn no more than 400 on floors 1 through 5, no more than 450 on floors 6 through 10, no more than 500 on floors 11 through 15, and no more than 550 on floors 16 through 19.
