evolve a staravia
level 28
He evolves at level 40.
I think at level 70
Any Pokémon is great for the Battle Tower if it is high enough level and has good moves.
Barboach evolves INTO Whiscash at Level 30
if you mean how to level up your staravia, then it evolves at level 34
Snover evolves at level 40 in Pearl.
in order to breed a pearl dragon, you have to be level 10
level 37
Level 20.
in level 33
he is level 47
Level 50.
level it up
Level 16
At level 40.
level 25