Content

• Steps
• Warnings

Want to get National Pokédex and open Pal Park to move your Pokémon from Ruby, Sapphire, Emerald, Red Fire, and Green Leaf to Platinum Pokémon? You need see each Pokémon in Sinnoh Pokédex and then visit Professor Rowan. Most Pokémon can be found by defeating trainers in the Sinnoh region, but sometimes you have to work hard and walk around the area. Read on to find out how to see all the Pokémon.

Steps

1. 1 Play the main story until you defeat the Elite Four. Along the way, fight with all the trainers you find. You will see almost all Pokémon this way.
2. 2 Go to the Old Chateau at night to see Rotom if you haven't met him yet. Old Chateau is in the northern part of the Eterna forest, you need to take a short road (HM01) to get there. Click on the TV that you find there on the spot to start the battle with Roth.
3. 3 Go to the Solaceon Ruins to see Unown if you haven't done so before. They are located east of Solaceon Town.
4. 4 Go to the Pokémon Mansion to see Manaphy if you haven't done so before. Read the book in Mr. Backlot and Manaphy will appear in your Pokédex.
5. 5 Visit the underwater caves again to see the lake trio. You have to fight Azelf and Uxie, you won't have to fight Mesprit.
6. 6 Go to Professor Rowan in his laboratory when see all Pokémon in Sinnoh Pokédex to earn National Pokédex.

Warnings

• You will only get one chance to catch Rotom, make sure you don't knock him out. Save before the battle.