| 1 | Red, Blue | Rarely seen in the wild. Huge and vicious, it is capable of destroying entire cities in a rage. |
| 1 | Yellow | Brutally vicious and enormously destructive. Known for totally destroying cities in ancient times. |
| 1 | Stadium | Extremely vicious and horribly brutal. Has enough destructive power to totally annihilate even a major city. |
| 2 | Gold | They say that during past wars, Gyarados would appear and leave blazing ruins in its wake. |
| 2 | Silver | Once it appears, it goes on a rampage. It remains enraged until it demolishes everything around it. |
| 2 | Crystal | It appears whenever there is world conflict, burning down any place it travels through. |
| 2 | Stadium 2 | They say that during the past wars, Gyarados would appear and leave blazing ruins in its wake. |
| 3 | Ruby | When Magikarp evolves into Gyarados, its brain cells undergo a structural transformation. It is said that this transformation is to blame for this Pokémon's wildly violent nature. |
| 3 | Sapphire | Once Gyarados goes on a rampage, its ferociously violent blood doesn't calm until it has burned everything down. There are records of this Pokémon's rampages lasting a whole month. |
| 3 | Emerald | It is an extremely vicious and violent Pokémon. When humans begin to fight, it will appear and burn everything to the ground with intensely hot flames. |
| 3 | FireRed | It has an extremely aggressive nature. The Hyper Beam it shoots from its mouth totally incinerates all targets. |
| 3 | LeafGreen | Rarely seen in the wild. Huge and vicious, it is capable of destroying entire cities in a rage. |
| 4 | Diamond | Once it appears, its rage never settles until it has razed the fields and mountains around it. |
| 4 | Pearl | In ancient literature, there is a record of a Gyarados that razed a village when violence flared. |
| 4 | Platinum | Once it begins to rampage, a Gyarados will burn everything down, even in a harsh storm. |
| 4 | HeartGold | They say that during past wars, Gyarados would appear and leave blazing ruins in its wake. |
| 4 | SoulSilver | Once it appears, it goes on a rampage. It remains enraged until it demolishes everything around it. |
| 5 | Black, White, Black 2, White 2 | Once it begins to rampage, a Gyarados will burn everything down, even in a harsh storm. |
| 6 | X | In ancient literature, there is a record of a Gyarados that razed a village when violence flared. |
| 6 | Y | Rarely seen in the wild. Huge and vicious, it is capable of destroying entire cities in a rage. |
| 6 | Omega Ruby | When Magikarp evolves into Gyarados, its brain cells undergo a structural transformation. It is said that this transformation is to blame for this Pokémon's wildly violent nature. |
| 6 | Alpha Sapphire | Once Gyarados goes on a rampage, its ferociously violent blood doesn't calm until it has burned everything down. There are records of this Pokémon's rampages lasting a whole month. |
| 7 | Sun | A tale is told of a town that angered Gyarados. Before the sun rose the next day, flames utterly consumed the town, leaving not a trace behind. |
| 7 | Moon | There are people who swear that any place Gyarados appears is fated for destruction. |
| 7 | Ultra Sun | It fires hyper beams in all directions, burning the surrounding area to ash. There are some regions where it's called “the deity of destruction.” |
| 7 | Ultra Moon | The energy from evolution stimulated its brain cells strongly, causing it to become very ferocious. |
| 7 | Let's Go, Pikachu!, Let's Go, Eevee! | Brutally vicious and enormously destructive. Known for totally destroying cities in ancient times. |
| 8 | Sword | It has an extremely aggressive nature. The Hyper Beam it shoots from its mouth totally incinerates all targets. |
| 8 | Shield | Once it begins to rampage, a Gyarados will burn everything down, even in a harsh storm. |
