What do you do after you beat candace in Pokemon Diamond?

Answer 1

Go to veilstone city and get the key to the big galactic building and wipe out team galactic you will get a master ball there as well

then you have to go to mount.coronet and destroy team galalctic including their boss who is very srong and battle dialga

then head for sunyshore city and get your last gym badge

than the travel over sea to the Pokemon league

and the last challenge cave of victory

then beat alite 4 and champion

then head battle tower

then catch all the legendaries