Caustic Sewers

Caustic Sewers, also known as CS or just sewers, is a dungeon found in the Tanren Undercity. Rock Smash will be needed, but a warp where the entrance is can be used to skip the Rock Smash puzzle if the dungeon has been beaten before. The player will to go to Ancient Caustic Sewers when they beat all the floors and the boss, through the midpoint. No weather is present in Caustic Sewers.

Attributes

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There's darkness throughout the dungeon, and the water will poison any Pokémon that crosses over it if it is not immune in some way.

On Floor 25 is a sealed chamber with a Sinister Box that can contain the following items:
 * Pink Silk
 * Max Revive

Boss
The boss of Caustic Sewers is a resemblance to Team Skull from Explorers of Time, Darkness and Sky, which are of Skuntank, Koffing, and Zubat. Skuntank says they were hired to investigate the leaking of toxic waste in the dungeon. They think the player is trying to interfere with the job and possibly try to take the reward for themselves, so they initiate battle. Skuntank drops 15 Ekop when it's defeated. Koffing and Zubat drop 1 Mushroom each.

They know the following moves:
 * Koffing: Assurance, Gyro Ball, Sludge, Smog
 * Skuntank: Acid Spray, Flamethrower, Night Slash, Slash
 * Zubat: Air Cutter, Bite, Leech Life, Poison Dang

Boss drop:
 * 15 Ekop (Skuntank)
 * 1 Mushroom (Zubat, Koffing)

Abandoned Camp
After the boss at the end of the dungeon is a break point with a healing bed and Kangaskhan Storage. It leads to Ancient Caustic Sewers.

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


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Items

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Kecleon Shop Items
There is a Kecleon Shop on Floor 28.


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Mystery Eggs
Caustic Sewers has Mystery Eggs that can appear on all floors.


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Dungeon Objective
The goal is to complete it and get to Ancient Caustic Sewers. Caustic Sewers and its continuation are regarded as the best dungeons to obtain Ekop. It is also a location where Pink Silk for Poison-types may be obtained.

Tips

 * A way to heal or prevent statuses (mainly poison) is recommended.
 * Beware of Garbodor and Skuntank's Aftermath ability. Getting caught in the blast can lead to fainting if you're low on health.

Trivia

 * Caustic Sewers was created by Kirk.
 * Caustic Sewers and its continuation dungeon have the highest level ranges of the Tanren Undercity dungeons.