"Embark on an epic adventure with your mighty dragon Saphira to rescue Alagasia from the dark forces of an evil king. Fulfill your destiny as you take up to the heroic legacy of the legendary Dragon Riders. Overpower menacing foes with a deep, upgradeable combat system, while leveling up spells, weaponry and combat skills. Launch powerful magic attacks and communicate with your dragon ally from the touch screen."
The DS version of Eragon is an action RPG with an upgradeable combat system, plenty of spells, skills and weapons.