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This article contains major spoilers!

Anthian Sewer is a hidden passageway beneath Anthian City - Shopping District and Anthian Park. It also contains the power core of Anthian City, as well as a research facility. This place is only accessible after obtaining the Soaring Badge, as well as the Basement Key from Uncle Gerald.

Notable Events

Note: The following events happen after acquiring Soaring Badge from Gym Leader Stephen and Basement Key from Uncle Gerald.

Sneaking Through

After Rival Jake is captured, Rival Tess teams up with the player to rescue him once the player obtains the Basement Key from Uncle Gerald. All Trainer matches will become Double Battles and Tess will heal the player's Pokémon after each Trainer battle until player and Tess reach the end of this sewer. Once they open the door to Anthian Park, they immediately find Jake being held captive, as well as...

Bomb Disposal

After defeating the Eclipse Boss in Anthian Park, the bomb installed on the power core goes off, causing the city to plummet! However, a certain duo of Legendary Pokémon manage to stabilize the city, as well as to send the player and Tess back in time into the Anthian Sewer once again before the bomb was planted. The sewer has become greyscale, showing that the time has stopped temporarily, thus conveniently preventing Wild Pokémon encounters for the time being.

Before proceeding, it is highly recommended for the player to heal his or her Pokémon by depositing them into the PC right behind Tess one by one, and also switch Pokémon if necessary. Using the Core Key dropped from the Eclipse Boss, the player and Tess head back to the research facility and barge in the previously inaccessible power core room to stop Eclipse Admin Tyler from planting the bomb, only for him to dispatch a gang of Pokémon which are willing to use Explosion immediately when the fight begins!

Pokémon

Wild Pokémon

Note: Rarity levels are estimations according to this scale and might be subject to changes due to different encounter assessment results. If there are any Pokémon with low catch rates, the possibility to flee or requirement of gaining happiness to evolve, recommended Poké Balls for that Pokémon will be shown with the corresponding bag sprite under the Pokémon's name.

Pokémon Type Image Rarity Items EV Yield
Walking Building Lv. 27-30
MagnemiteElectric
Steel
Magnemite XY
CommonNone1 Sp. Atk
Voltorb
Quick Ball
Electric
Voltorb XY
CommonNone1 Speed
Grimer
Kanto Form
Poison
Grimer-Kanto XY
UncommonBlack Sludge1 HP
Koffing
Quick Ball
Poison
Koffing XY
UncommonSmoke Ball1 Def
KlinkSteel
Klink XY
RareNone1 Def
Elekid
Quick BallDusk BallTimer Ball
Electric
Elekid XY
Very RareElectirizer1 Speed
Click on the Pokémon names to check their learnsets on Bulbapedia. All Pokémon follow their movesets in Pokémon Sun and Moon. Hover on the item sprites to check the exact chance of being held by the Wild Pokémon. All information above only applies to the Normal Adventure Mode.

Roaming Pokémon are not listed in the table above. They are fixed at Lv. 40 and have a 0.1% chance of appearing anywhere in Roria with wild encounter methods specified here.

Trainers

Double Battles

Note: Players should be on high alert for destructive attacks Self-Destruct and Explosion.

Image Pokémon Type Level Ability Item EXP EV Yield
Partner: Rival Tess Poké BallPoké BallPoké Ball
Gabite-M-back XY
GabiteDragon
Ground
Lv. 41Sand VeilNoneN/A
Attacks: Dig, Dragon Claw, Shadow Claw, Dragon Claw
Shelgon-back XY
ShelgonDragonLv. 40Rock HeadNoneN/A
Attacks: Zen Headbutt, Dragon Claw, Crunch, Rock Slide
Fraxure-back XY
FraxureDragonLv. 41Mold BreakerNoneN/A
Attacks: Dragon Dance, Dragon Claw, Poison Jab, X-Scissor
Trainer: Scientist Evan Poké BallPoké BallPoké BallPoké Ball Reward: $3240
Magneton XY
Magneton ×2Electric
Steel
Lv. 42UnknownNone1467 ×22 Sp. Atk
each
Attacks: Metal Sound, Flash Cannon, Electro Ball, Screech
Magnemite XY
MagnemiteElectric
Steel
Lv. 42SturdyNone5851 Sp. Atk
Attacks: Flash Cannon, Screech, Discharge, Discharge
Electrode XY
ElectrodeElectricLv. 45UnknownNone16202 Speed
Attacks: Self-Destruct, Light Screen, Magnet Rise, Discharge
Trainer: Rebellious Girl Amanda Poké BallPoké BallPoké BallPoké BallPoké Ball Reward: $1344
Voltorb XY
VoltorbElectricLv. 42UnknownNone5941 Speed
Attacks: Light Screen, Magnet Rise, Discharge, Explosion
Electrode XY
Electrode ×2ElectricLv. 42UnknownNone2268 ×21 Speed each
Attacks: Self-Destruct, Light Screen, Magnet Rise, Discharge
Gothitelle XY
GothitellePsychicLv. 43CompetitiveNone30543 Sp. Def
Attacks: Flatter, Future Sight, Heal Block, Psychic
Magneton XY
MagnetonElectric
Steel
Lv. 42SturdyNone22002 Sp. Atk
Attacks: Metal Sound, Flash Cannon, Electro Ball, Screech
Trainer: Rookie Austin Poké BallPoké BallPoké BallPoké Ball Reward: $1056
Grimer-Kanto XY
Grimer
Kanto Form
PoisonLv. 43UnknownNone6031 HP
Attacks: Sludge Wave, Screech, Gunk Shot, Acid Armor
Trubbish XY
TrubbishPoisonLv. 43UnknownNone6031 Speed
Attacks: Clear Smog, Toxic, Amnesia, Belch
Muk-Kanto XY
Muk
Kanto Form
PoisonLv. 45UnknownNone16871 Atk
Attacks: Sludge Bomb, Sludge Wave, Gunk Shot, Acid Armor
Mightyena XY
MightyenaDarkLv. 44IntimidateNone13862 Atk
Attacks: Embargo, Taunt, Crunch, Yawn
Trainer: Punk Guy Hunter Poké BallPoké BallPoké BallPoké Ball Reward: $1472
Scrafty XY
ScraftyDark
Fighting
Lv. 45UnknownNone16481 Def
1 Sp. Def
Attacks: High Jump Kick, Scary Face, Crunch, Facade
Scraggy XY
ScraggyDark
Fighting
Lv. 44UnknownNone6601 Atk
Attacks: High Jump Kick, Scary Face, Crunch, Facade
Machoke XY
MachokeFightingLv. 45UnknownNone13692 Atk
Attacks: Wake-Up Slap, Dual Chop, Submission, Bulk Up
Machamp XY
MachampFightingLv. 46UnknownNone22373 Atk
Attacks: Wake-Up Slap, Dual Chop, Submission, Bulk Up
Trainer: Adventurer Mitchel Poké BallPoké BallPoké BallPoké BallPoké Ball Reward: $720
Magneton XY
MagnetonElectric
Steel
Lv. 44UnknownNone15362 Sp. Atk
Attacks: Metal Sound, Flash Cannon, Electro Ball, Screech
Magcargo XY
MagcargoFire
Rock
Lv. 44UnknownNone13572 Def
Attacks: Rock Slide, Lava Plume, Amnesia, Body Slam
Rhydon-M XY
RhydonGround
Rock
Lv. 44UnknownNone16022 Atk
Attacks: Rock Blast, Drill Run, Take Down, Stone Edge
Doduo-M XY
DoduoNormal
Flying
Lv. 43UnknownNone5711 Atk
Attacks: Acupressure, Swords Dance, Jump Kick, Drill Peck
Gligar-M XY
GligarGround
Flying
Lv. 45UnknownNone8291 Def
Attacks: U-Turn, Screech, X-Scissor, Sky Uppercut
Trainer: Scientist Max Poké BallPoké BallPoké BallPoké Ball Reward: $3312
Klang XY
KlangSteelLv. 44UnknownNone14522 Def
Attacks: Automize, Mirror Shot, Screech, Discharge
Porygon2 XY
Porygon2NormalLv. 45TraceNone17352 Sp. Atk
Attacks: Signal Beam, Recycle, Discharge, Lock-On
Magneton XY
MagnetonElectric
Steel
Lv. 45Magnet pullNone15712 Sp. Atk
Attacks: Metal Sound, Flash Cannon, Electro Ball, Screech
Ampharos XY
AmpharosElectricLv. 46StaticNone22173 Sp. Atk
Attacks: Confuse Ray, Power Gem, Discharge, Cotton Guard
There was no change to the above matches between any of the updates. All information above only applies to the Normal Adventure Mode.

Single Battle

Note: These Pokémon will immediately use the devastating attack Explosion when they are sent out!

Image Pokémon Type Level Ability Item EXP EV Yield
Requires defeating Eclipse Boss in Anthian Park
Trainer: Eclipse Admin Tyler Poké BallPoké BallPoké BallPoké BallPoké Ball Reward: $3200
Electrode XY
Electrode ×3ElectricLv. 40UnknownNone1440 ×32 Speed each
Attacks: Explosion
Solrock XY
SolrockRock
Psychic
Lv. 40LevitateNone13202 Atk
Attacks: Explosion
Lunatone XY
LunatoneRock
Psychic
Lv. 40LevitateNone13202 Sp. Atk
Attacks: Explosion
There was no change to the above matches between any of the updates. All information above only applies to the Normal Adventure Mode.

Items

State Item Obtaining Location
Gold Item Ball
TM Poison
TM36 Poison
Sludge Bomb
Turn right after Rebellious Girl Amanda and enter the room.
Item Ball
Black Sludge
Black SludgeBehind the large sewage pool where the Worker is.
Item Ball
Dubious Disc
Dubious DiscGo to the room with lockers and a PC. Click on the third locker to reveal a secret room. Turn left and follow the path that bypasses the pipes, all the way to the end.
Requires defeating Eclipse Admin Tyler
Dowsing Machine
Light Ball
Light BallBehind the Core Reactor. (Hidden)
There was no change to the above items between any of the updates.

Trivia

  • Eclipse Admin Tyler is based on the creator of Super Bomb Survival — Polyhex. His team consists of Pokémon with the move Explosion.
  • Anthian Sewer is a throwback to Castelia Sewers, Unova in Pokémon Black 2 and White 2. Both connect the central business district of their respective cities to a park, and both have the Rival team up with players when they first enter the sewers.
Soaring Badge Anthian City
Anthian City
Housing Dist. Affordable AnthianAnthian AbodesGolden Poké Ball (Arcade) • Pokémon Museum of History
Shopping Dist. Poké Ball EmporiumStone ShopNew Sushi Stick • Rorian Braviary • Hero's HoverboardsHobo's Lucky LottoAnthian FurnitureZombie's Painting & Hardware
Battle Dist. Anthian Gym & Airport • Roria Battle Frontier (Under Construction)
Anthian ParkAnthian Sewer
Roria
Roria
Towns Mitis TownCheshma TownLagoona Lake (Trenches) • Port Decca (Beach) • Crescent TownHaunted Badge
Cities Silvent CityArc BadgeBrimber CityBrimstone BadgeRosecove CityFloat Badge (Beach) • Anthian City (Housing Dist.Shopping Dist.Battle Dist.Soaring BadgeParkSewer) • Aredia CityCrater Badge (Old ArediaAredia Ruins) • Fluoruma CityHarvest BadgeFrostveil CityContrast Badge (Catacombs)
Routes 123456789101112131415161718
Caves &
Mountains
Glistening GrottoSteam ChamberMt. Igneus (Igneus Depths) • Path of TruthSilver CoveMt. Cragonos (MinesCliffsPeakSanctuarySpringChamber of the Jewel) • Desert CatacombsNature's DenCalcite ChamberMartensite ChamberDendrite ChamberTitans' ThrongFreezing FissureOcean's OriginAborille Outpost (Demon's Tomb)
Islands Crescent Island (TownAborille Outpost) • Lost Islands (Deep Jungle) • Voltridia Island (Cavern) • Frigidia Island (Cavern) • Obsidia Island (Cavern)
Other
Locations
Gale ForestOld GraveyardSecret GroveGrove of DreamsFortulose ManorCosmeos Valley (Observatory) • Tinbell Tower (Construction Site) • Secret LabSafari ZoneEclipse BaseGene Lab