You have to do single battles
You need to complete the Pokemon league
There is only one legitimate way to complete the Sinnoh Pokedex. To complete the Sinnoh Pokedex you must trade for the missing Pokemon with Pokemon Diamond, Pearl or Platinum.
Well, Its a thing you do after you complete the game. so i guess
how to get shining Pokemon on pearl vershow can you get shining Pokemon in pearl version
Get a 48 wining streak.
You have to do single battles
No!Palmer is your Rival pearl's dad.After you battle him and get to stark mountain there will be no storyline left.
after you defeat 20 people in a row at the battle tower he is the 21st one u face
yes
yes
You have to see every Pokemon in the sinnoh region.
You need to complete the Pokemon league
From what i know you complete Pokemon diamond and pearl by getting all the gym badges, beating the elite four and completing the pokedex. But im not sure if you have to catch all the Pokemon.
21st consecutive Milotic Rhyperior Dragonite 49th consecutive Heatran Regigigas Cresselia
you have to complete the first pokedex
complete the sinnoh pokedex