Ancient Room — Pokémon Platinum Redux
Every wild Pokémon here, by encounter method.
Ancient Room lists 20 Pokémon across 1 encounter method (palmer). Between them they cover 15 types: DragonSteelDarkRockGrassWaterFightingGroundElectricPsychicPoisonGhostIceBugFire.
Opens up at 6 badges — Mine (Byron, Canalave City).
Palmer
The documentation gives no percentages for this table: every Pokémon on it is equally likely.
| Pokémon | Types | |
|---|---|---|
 | Bastiodon | DragonSteel |
 | Bisharp | DarkSteel |
 | Cradily | RockGrass |
 | Crawdaunt | WaterFighting |
 | Donphan | GroundFighting |
 | Electrode | ElectricRock |
 | Espeon | PsychicRock |
 | Garbodor | PoisonDark |
 | Golurk | GhostGround |
 | Gyarados | WaterDragon |
 | Hariyama | FightingElectric |
 | Hippowdon | GroundDark |
 | Manectric | ElectricIce |
 | Mismagius | GhostDark |
 | Muk | PoisonPsychic |
 | Shiftry | GrassDark |
 | Slowbro | WaterPsychic |
 | Tyranitar | RockDark |
 | Vileplume | GrassPoison |
 | Volcarona | BugFire |