End of Deception II is mission 15B in Ace Combat X: Skies of Deception. It is the alternate scenario of the final mission where the Alect Squadron, Leasath's elite fighter squadron, arrives at Archelon Fortress unhindered and takes control of the Fenrirs stationed at the fortress while the Gryphus Squadron and other Aurelian squadrons gear up for the last battle that would end the war started by Leasth commander Diego Gaspar Navarro's greedy ambitions to increase arms sales.