Generation IV
Best Team for Pokémon Diamond
Pokémon Diamond introduces the physical/special split that revolutionised competitive play, and Sinnoh's trainer AI is noticeably sharper than previous generations. This team uses strong Pokémon available before the Elite Four.
Recommended Team
Infernape
Fire / Fighting — Starter
Chimchar is the recommended starter; Infernape's Speed and mixed Attack/Special Attack let it run both physical and special sets to handle Roark through Volkner.
Gyarados
Water / Flying — Physical Sweeper
Fish a Magikarp with the Old Rod south of Jubilife City and evolve at level 20; Gyarados's Intimidate and Dragon Dance make it one of the strongest in-game Pokémon in Gen IV.
Staraptor
Normal / Flying — Physical Attacker
Starly is available on Route 201 at the very start; Staraptor's Close Combat and Brave Bird combination hits almost everything in Sinnoh for strong neutral damage.
Lucario
Fighting / Steel — Gifted Sweeper
Riley gifts you an Egg on Iron Island that hatches into Riolu; evolve via friendship during daytime and Lucario's Aura Sphere sweeps the Elite Four's Dark and Rock types.
Roserade
Grass / Poison — Special Attacker
Budew appears on Route 204 early in the game; evolve Roselia with a Shiny Stone into Roserade for one of the best Grass-type attackers in Sinnoh.
Garchomp
Dragon / Ground — Late-Game Ace
Gible is found in Wayward Cave under Cycling Road (post-4th badge); Garchomp's Dragon and Ground STAB with huge Attack makes it the most powerful Pokémon available before Victory Road.
Tips & Notes
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Wayward Cave's hidden entrance for Gible is directly under the Cycling Road bridge — bring Flash to navigate the darker sections.
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Roserade requires a Shiny Stone to evolve from Roselia; you can find one on Route 228 or get one post-game from certain NPCs.
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Diamond has Dialga as the legendary and exclusive Pokémon not in Pearl — feel free to add it to the team for the final stretch.
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