If your at Altru Park go right and there should be Chroma Road, the second tree has the ninjask, but you'll need a Pokemon with tackle #1, just go a bit higher and there is a girafarig a #1 tackle Pokemon,
After you defeat lucario and obtain the blue gem, a quest will be avalible to save a piplup from a pokemon.
go into the sea of wailord, crush a stone, go up and there will be a wailmer
Obtain ALL the Pokemon
Go into Marine Cave and find the rugged rock in one of the coves. Click on it and soak it. It will turn into a Graveler.
Moltres, Articuno or Zapdos are not available for capture in Pokemon Ranger. Reasons for this may vary, but because it is not in the game, it is not possible to obtain it.
You don't as far as I know. Now, there is a game called Pokemon Ranger: Shadows of Almia from which you could get Darkrai or other rare things. Is that your question? By the way, you transfer Darkrai from Ranger to Diamond after you obtain it in a Special Mission that you download from Wi-fi. The Mission was called Liberate the Tower and is no longer available (I think). There are trainers that you meet in the game called Pokemon Rangers, but they are just like any other class of trainer.
In Pokémon Ranger: Shadows of Almia, you can obtain Gastrodon by capturing it in the area known as the "Almia Aquarium." Specifically, you'll find it in the waters of the aquarium after you've progressed far enough in the game. Use your Capture Styler to draw circles around Gastrodon to capture it successfully. Be sure to have enough Capture Line to avoid losing it during the process!
In Pokémon Ranger: Shadows of Almia, the second Styler can be found in the Almia Castle area, specifically within the castle itself. After you complete the main storyline involving the first Styler, you'll need to navigate through the castle's challenges to obtain it. Make sure to explore thoroughly, as the area contains various puzzles and Pokémon to interact with.
In "Pokémon Ranger: Shadows of Almia," you can locate Vaporeon in the Almia Castle and in the Altru Tower. You can locate Jolteon in the Habura Desert, you can find Flareon in the Volcano Cave, Espeon can be found in the Hippowdon Temple, Umbreon can be found in the Chroma Ruins, Leafeon can be found in the Vien Forest and Glaceon can be found in the Ice Lake.
After you obtain the National Pokedex, go to Eterna Forest and use the Poke Radar Professor Rowan gave you. Eventually, Nincada will show up. (By the way, when you evolve Nincada into Ninjask at level 20, always have an empty slot in your party, so you get TWO Pokemon at once! (Ninjask and Shedinja) Trust me, it works!
Sceptile is at the oil rig in the ocean in Pokemon Ranger: Shadows of Almia, or in Japan Pokemon Ranger: Batonnage
You have to have Pokemon ranger. If you do complete a special mission, and then obtain the egg, then you put platinum in a different ds, and connect them