In the 4th edition Dungeons & Dragons game mechanics, paragon paths are specializations that PCs could take to help better define their characters. These paragon paths are entered into at 11th level, and run until 20th level.
A number of Eberron-specific paragon paths were created, in addition to paragon paths introduced by Wizards of the Coast. Below are the various paragon paths introduced in the world of Eberron.
In the 4th edition mechanics, the closest analogy would be the Prestige Class, though the mechanics have significant differences.