Terrakion in Victory Road.
No. Cobalion is a fifth generation Pokemon. Diamond Version is a fourth generation game.
In Mistralton Cave
you probably level them up and use them in Pokemon's league
Cobalion is encountered at Lv42.
What's a Horizion? There's Terrakion, Virizion, and Cobalion, but no Horizion.
I am not sure because i caught him the first try, but probably not so save before him and stick up.
yes. you can catch all cobalion, virizion, and terrakion in pokemon black, black2 white, and white2. virizion is in pinwheel forest where there is an opening on the right of the bridge, terrakion is in victory road @ the end (you have to have a pokemon that knows strength), and cobalion is in mistralton cave (all the way in the back)
There are Victini (Event), Virizion, Cobalion, Terrakion, Tornadus (From Pokemon Black), Thundurus, Landorus, Reshiram (From Pokemon Black), Zekrom, Kyurem, Meloetta (Event), Keldeo (Event), and Genesect (Event).
If you like crater, it is back, along with indigo
Zekrom Thundurus Landurus (requires Tornadus) Victini (event) Cobalion Terrakion Virizion Kyurem Keldeo (unreleased) Meloetta (unreleased) Genesect (unreleased) Zekrom and Thundurus are exclusive to White. Reshiram and Tornadus are exclusive to Pokemon Black Version.
you catch more Pokemon on ruby...about 7.
You get at victory road but you have the have caught cobalion first in mistralton cave