How do i move the fat dude on the way to sunyshore city in pokemon diamond

Question

help!

Answer 1

you have to go to the peak of mountain (sorry I can't remember what it's called, the mountain the middle of the game) , and then battle team G and beat them, and then you get the chance to catch Dialga or Palkia depending on the game.

Answer 2

go beat the 7 gym leader and the fat dude will be moved

Answer 3

you have to go to the peak of mt.coronet you need surf rockssmash rockclim cut and dig to get out in a hurry and you should bri ng alot of ultra balls and super potions hyper potions and revives cuz you have to fight mercury and saturn and the boss of team galactic and then after this you cancatch mespsrit azelf and uxie