The Striaton Gym is the first gym in the Unova region. Unlike the previous first gyms, this gym has three different Gym Leaders: Cilan, Cress, and Chili. The Gym Leader the player character faces depends on the starter Pokémon chosen - the team used in each case will be a Level 12 Lillipup and the Pokémon of the elemental monkey trio that has a type advantage to the player's starter - Pansage, Panpour, or Pansear, all at Level 14.
There are three sets of curtains, each one with a different symbol on it (Fire, Water and Grass). To advance in the Gym the player character has to stand on a panel that depicts the type that is strong against the type depicted on the curtain (Fire > Grass, Grass > Water, Water > Fire). If the player character defeats the Gym Leader, they will earn the Trio Badge.
Trainers[]
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Gym Leader[]
 Striaton Gym Leader
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 Trio Badge
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 TM83 (Work Up)
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 Cilan |
 Chili |
 Cress | |||
| Starter: Oshawott |
Starter: Snivy |
Starter: Tepig | |||
If player chooses Snivy, Gym Leader Chili:
 Lillipup 
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 Pansear 
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| Lv. 12 | ♂ | Lv. 14 | ♂
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| Ability: Pickup | Ability: Gluttony
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| Item: None | Item: None
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| - | Work Up | ||||||
| - | Lick | ||||||
| - | Fury Swipes | ||||||
| - | Incinerate | ||||||
If player chooses Tepig, Gym Leader Cress:
Lillipup
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 Panpour 
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| Lv. 12 | ♂ | Lv. 14 | ♂
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| Ability: Pickup | Ability: Gluttony
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| Item: None | Item: None
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| - | Work Up | ||||||
| - | Lick | ||||||
| - | Fury Swipes | ||||||
| - | Water Gun | ||||||
If player chooses Oshawott, Gym Leader Cilan:
Lillipup
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 Pansage 
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| Lv. 12 | ♂ | Lv. 14 | ♂
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| Ability: Pickup | Ability: Gluttony
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| Item: None | Item: None
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| - | Work Up | ||||||
| - | Lick | ||||||
| - | Fury Swipes | ||||||
| - | Vine Whip | ||||||
Gallery[]
| Gyms | |
|---|---|
| Kanto | |
| Johto | |
| Hoenn | |
| Sinnoh | |
| Unova | Striaton City Gym · Aspertia City Gym · Nacrene City Gym · Virbank City Gym · Castelia City Gym · Nimbasa City Gym · Driftveil City Gym · Mistralton City Gym · Icirrus City Gym · Opelucid City Gym · Humilau City Gym |
| Kalos | |
| Galar | |
| Paldea | Cortondo Gym · Artazon Gym · Levincia Gym · Cascarrafa Gym · Medali Gym · Montenevera Gym · Alfornada Gym · Glaseado Gym |