Gyaradosite (Mega Stone) | |
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Location | Gift from the mega trainer standing on the small island in the middle of the Route 13 sea after defeating him. Requires Surf to reach. |
Mega Evolution | Gyarados |
Prerequisites
- Have access to Dehara City
- Have Surf
- Have Rock Climb
- Defeat all other trainers on Route 13 and 14
Location
Follow the path north from the Dehara City Pokémon Center.

Continue going north until you reach the beach, at which point you want to start going west.

Use Surf to continue on your path west without making any turns.

When the path west eventually gets blocked by some rocks, start going directly south.

You’ll shortly Surf past a small rocky island.
When you do, start following the rocks south of the island.

Swim around the rocks when you can and then start going north.

You’ll see a lone trainer standing on a small patch of land east of the brown island you were tracking. Approach him and he’ll challenge you to a battle if you’ve defeated all other trainers on Route 13 and 14.
Mega Trainer Osean will give you the Gyaradosite after you defeat him.

Mega Trainer Osean | |||||
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Pokémon | Pelipper (Level 52 at Big Mo level cap) | Kingdra (Level 54 at Big Mo level cap) | Ludicolo (Level 53 at Big Mo level cap) | Samurott (Level 53 at Big Mo level cap) | Mega Gyarados (Level 54 at Big Mo level cap) |
Type | Water/Flying | Water/Dragon | Water/Grass | Water/Steel | Water/Dark |
Ability | Drizzle | Swift Swim | Swift Swim | Torrent | Intimidate – Mold Breaker |
Held Item | Damp Rock | Haban Berry | Water Gem | Focus Sash | Gyaradosite |
Weaknesses |
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Moves |
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