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| Onix is On!
Onix is On! (Japanese: VSイワーク VS. Iwark) is the fifth round in the Red, Green & Blue chapter of the Pokémon Adventures manga.
Red runs to the Pewter Gym's main arena to see a familiar face, Blue. He and his Charmeleon are battling in the ring. After watching the fight, Red registers, and prepares for his first battle against a muscular Trainer and his Graveler. Pika stubbornly refuses to battle for Red and as a result, he is forced to send out Poli to battle the opponent. The muscular Trainer predicts an easy win due to Poli's lack of health, however Red forms a strategy to take out opponent's using one hit knock outs and complimentary moves. Using Water Gun on the Graveler, he follows up with Ice Beam, freezing and shattering the opponent's Pokémon.
Using his strategy Red battles several more Trainers using only Poli and Saur, and they are soon facing the Gym Leader, Brock. The last battle begins with Saur and Poli too tired to continue and Pika still refusing to fight. Brock orders his Onix to use Rock Throw which Pika dodges all but one, infuriating it and he attacks Red. Believing Red's wins to have been nothing but dumb luck, Brock angrily orders Onix to use its most powerful move, Skull Bash. The rock snake forms a twister before launching itself towards Pikachu, but Red rescues it just in time. This takes the Pokémon by surprise and it launches a huge electrical attack that destroys Onix, giving the victory to Red. Admiring his new Boulder Badge, Red tries to befriend Pikachu, but just as before, it pulls a dirty trick on him by shocking him.
- Pewter Gym Trainer
- Pewter citizens
- Registration lady
- Pikachu's Electric-type attack defeated Onix despite the fact that electric attacks do not work against Ground-type Pokémon.