Galbatorix
Galbatorix is the primary antagonist in the Inheritance Cycle, a series of fantasy novels written by Christopher Paolini. He is a powerful sorcerer and the last of the Dragon Riders, having gained control over the kingdom of Alagaƫsia through fear and manipulation. His reign is marked by tyranny, as he seeks to eliminate any threats to his power.
Once a promising Rider, Galbatorix became corrupted by his desire for control and revenge after losing his dragon, Shruikan. He commands a vast army and uses dark magic to maintain his dominance, making him a formidable foe for the protagonists, including Eragon and Saphira.