Founders' Island - Batman: Arkham Knight - Walkthrough #24 Primary Objectives: Destroy the Arkham Knight's defense grid on Founders' Island to allow the Batwing to scan for the Cloudburst Objectives: Glide onto the relay drone and examine it to find a way to defeat the drone forces Destroy the Arkham Knight’s radar network Lower the barriers protecting the missile launcher Take out the Arkham Knight's Cobra drones protecting Founders' Island