Yes, Cobalion is a legendary pokemon.
If you are talking about the rocks in Pinwheel Forest or Victory Road, these are only removed once you encounter Cobalion in its cave, on Route 6 (needs Surf).
Cobalion is a Steel and Fighting type pokemon.
It depends, for me the easiest was articuno. It depends, for me the easiest was articuno.
No. Cobalion is a fifth generation Pokemon. Diamond Version is a fourth generation game.
No but there is a pokemon named Cobalion
He is in a cave!
Yes, Cobalion is a legendary pokemon.
You get it at Mistralton Cave
Cobalion
Cobalion is #638 in the national pokedex, and it is a Steel-Fighting type Pokemon.
find one fight it and use an ultra ball or don't fight it and use a master ball
You can catch Suicune, Entei, Raikou, Lugia, Ho-Oh, Celebi, and Mewtwo, Moltres, Zapdos, and Articuno.