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Merson Gym is the gym located in the north-west of Merson City. It is a water-type gym, and its leader is Karpman.

Pokémon Brown[]

Merson Gym
Brown - Merson Gym Exterior
Location Merson City
Gym Leader Karpman
Badge RijonAdv - Marine BadgeMarine Badge
Dominant Type Water
Region Rijon

Merson Gym is the first gym that the player challenges in Rijon. Defeating the leader, Karpman, and earning the Marine badge technically allows the use of Flash outside battle, although the HM does not exist in Pokémon Brown and is never required.

Trainers[]

Brown
Trainer Pokémon
Brown-JrTrainerM
Jr. Trainer ♂
Reward: PokeDollar220
Squirtle-icon
Squirtle
Lv. 11
Seel-icon
Seel
Lv. 11


Karpman[]

Karpman
Merson City

Reward: PokeDollar1188 and
TM12 (Octazooka)

Brown-Karpman
Brown - Team2
Horsea-icon
Horsea Lvl 10

Vaporeon-icon
Vaporeon Lvl 12

Bubble -- Tackle Sand-Attack
-- -- Bide Water Gun


Dialogue
Pre-Battle I'm Karpman
I train only water type Pokémon! Fire is useless against my mighty water attacks!
Brown: Alright, lets see how good you really are!
Karpman: Ok, but don't say I didn't warn you! Lets fight!
Post-Defeat Karpman: Damn! You beat my Pokémon. As proof of your victory, here's the Marine-Badge! [Brown received the Marine Badge!] That's an official Pokémon League Badge! It's bearer's Pokémon become more powerful! The technique Flash can now be used any time!
Post-Battle Wait! Take this with you! [Brown received TM12!] a TM contains a technique that can be taught to Pokémon! A TM is good only once! So when you use one to teach a new technique, pick the Pokémon carefully! TM12 contains Octazooka! It's a water move that can lower the accuracy of your foe!
On speaking again:
That was an epic battle! Travel around Rijon to fight the other GYM leaders. You might stand a chance against them!


Layout[]

Gym Interior
Brown - Merson Gym Guide


Pokémon Prism[]

Merson Gym
Merson Gym Exterior
Location Merson City
Gym Leader Karpman
Badge Marine BadgeMarine Badge
Dominant Type Water
Region Rijon

As the Rijon gyms in Pokémon Prism do not have a specified order in which they must be challenged, Merson Gym can be reached either via Route 55 or via Route 54 and Merson Cave.

There is no gym puzzle and only one gym trainer. The water inside the Gym can be Surfed on (potentially avoiding the single trainer), and also fished in.

Pokémon[]

Fishing[]

Fishing Encounters
Pokémon Rod Level Rate
129
Magikarp
Old Rod Fishing
Old Rod
10 85%
118
Goldeen
Old Rod Fishing
Old Rod
10 15%
118
Goldeen
Good Rod Fishing
Good Rod
20 55%
129
Magikarp
Good Rod Fishing
Good Rod
20 35%
72
Tentacool
Good Rod Fishing
Good Rod
20 10%
118
Goldeen
Super Rod Fishing
Super Rod
40 40%
72
Tentacool
Super Rod Fishing
Super Rod
40 30%
129
Magikarp
Super Rod Fishing
Super Rod
40 20%
119
Seaking
Super Rod Fishing
Super Rod
40 10%
-


Trainers[]

Trainer Pokémon
Camper
Camper Otis
Reward: PokémonDollar1560
369-Relicanth Relicanth Lv.78
No item
9 Blastoise Lv.78
No item


Karpman[]

Leader Karpman
Merson City

Reward: PokeDollar8200 and
TM80 (Storm Front)

Karpman
Prism - Team5
Seaking-icon
Seaking Lvl 76
Water Veil
Slowbro-icon
Slowbro Lvl 77
Own Tempo
Megahorn Hydro Pump Surf Calm Mind
Surf Ice Beam Earthquake Rest
Lanturn-icon
Lanturn Lvl 79
Volt Absorb
Tentacruel-icon
Tentacruel Lvl 80
Clear Body
Surf Confuse Ray Sludge Bomb Surf
Thunderbolt Thunder Wave Ice Beam Substitute
Vaporeon-icon
Vaporeon Lvl 82
Water Absorb
Vaporize Ice Beam
Surf Acid Armor


Dialogue
Pre-Battle I'm Karpman. I train only Water-type Pokémon! Fire is useless against my mighty water attacks! You don't look intimidated... What's wrong with you? Well, whatever, let the fight begin!
Post-Defeat Looks like I need to respect your authority! Go ahead and take the Marine Badge.
Post-Battle [Prism received Marine Badge.] The Marine Badge will make your Pokémon even stronger! Also, take this gift. [Prism received TM80!] Storm Front will deal damage and start a rainstorm. It's ideal for all water Pokémon.
On speaking again:
You impressed me. Keep getting those Rijon Badges.


Layout[]

Gym Interior
Merson Gym Guide


Rijon Adventures[]

Merson Gym
Gym Merson City
Location Merson City
Gym Leader Karpman
Badge RijonAdv - Marine BadgeMarine Badge
Dominant Type Water
Region Rijon


Trainers[]

Rijon Adventures
Trainer Pokémon
RijonAdv-SwimmerM
Swimmer ♂ Samuel
Reward: PokeDollar112
Staryu-icon
Staryu
Lv. 14


Karpman[]

Karpman
Merson City

Reward: PokeDollar1400 and
TM03 (Water Pulse)

RijonAdv-Karpman
RA - Team2
Horsea-icon
Horsea Lvl 12

Vaporeon-icon
Vaporeon Lvl 14

Water Gun Twister Water Pulse Quick Attack
Agility Smoke Screen Tail Whip Bite

Layout[]

Gym Interior
RijonAdv - Merson Gym

Navigation[]

Rijon Gyms
Merson City Gym Owsauri City Gym Moraga Town Gym Jaeru City Gym Castro Valley Gym Seashore City Gym Out of City Gym Eagulou City Gym
Merson GymOwsauri GymMoraga GymJaeru Gym
Castro GymSeashore GymOut of City GymEagulou Gym
Naljo Gyms
Oxalis City Gym Heath Village Gym Laurel City Gym Torenia City Gym Phacelia Town Gym Acania Dock Gym Saxifrage Island Gym Spurge City Gym
Oxalis GymHeath GymLaurel GymTorenia Gym
Phacelia GymAcania GymSaxifrage GymSpurge Gym
Other Gyms
Azalea Town Gym Goldenrod City Gym Saffron City Gym Southerly City Gym
Azalea GymGoldenrod GymSaffron GymSoutherly Gym
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