Get them to level 20 and level them up.
Through the storyline. At the beginning of part IV, Yune makes him a Vanguard.
No, Radiant Dawn is only for the Wii.
You can't. There are no cheats in Fire Emblem Radiant Dawn.
Four.
there is a vanguard(Ike), Arch Sage, Dragonlord, Reaver, Sentinel, Marksman, Seraph Knight, Light Priestess, Saint, Valkerie, and Black Dragon.
Yes, there are.
in a store...
$100.50
I think not.
Start part 3.
Oliver
About 20