ENTER THE ENDGAME! A former enemy returns to offer the Turtles one last chance to stop the Rat King before his plans coalesce and all hope is lost! As the team regroups, secrets are revealed, terrible truths confronted, and impossible decisions faced. Plus, when the godlike beings of the Pantheon are at last forced to act against their wayward brother, will they realize they’ve delayed too long? As the Armageddon Game enters its end stage, Leo, Donnie, Mikey, Raph, and Jenny will discover they have no one to rely on but each other!