Erika is the gym leader of Celadon City. She is the fourth gym leader of Red, Randomized FireRed, and Anniversary Red, and the 12th gym leader of Crystal, Randomized HeartGold, and Vietnamese Crystal.
Versus Erika 
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| Level | Pokemon Name | Type | Moves |
| 29 | Victreebel | Grass/Poison | Razor Leaf Wrap PoisonPowder Sleep Powder |
| 24 | Tangela | Grass | Constrict Bind |
| 29 | Vileplume | Grass/Poison | Petal Dance PoisonPowder Mega Drain Sleep Powder |