Alliances shift as the battle between Invincible and Thragg rages on. But what is Robot up to on Earth? Every single story for the past 14 years has been leading up to this epic series conclusion! Collects INVINCIBLE #139-144. Author: Robert Kirkman. Illustrator: Ryan Ottley, Nathan Fairbairn, Rus Wooton . 2018 Robert Kirkman, LLC, Cory Walker and Ryan Ottley.