at level 30
Do you mean Bagon? Or Shelgon? Bagon are found only in Pearl and Platinum and are found on Route 210 west near Celestic Town. In Platinum, they are found with the level(s) 29-29. In Pearl, they are found with the level(s) 26-26. Shelgon evolve from Bagon and are not found anywhere. If you mean Baygon, then you must know something- Baygon are not real Pokemon.
mightyena doesn't evolve on Pokemon pearl, he doesn't evolve in any Pokemon game!
Did you mean sheildon, shelgon, or shellder? Shieldon: Pearl only. Shelgon: Evolve Bagon. Bagon is Pearl only Shellder: Route 205; use super rod.
evolve snowver at level 40
Buizel evolve at level 26.
IT DOESN'T EVOLVE
shelgon is uncatchable in diamond. U have to catch a bagon in pearl and evolve it and trade.
Bagon is only available in Pokemon Pearl, but you can obtian it in Pokemon diamond by trading someone who has pearl
level 18
level 50
Level 18
Level 20.