The Purrgil arrive, devastate the Imperial fleet, and wrap their tentacles around the Chimaera . Ezra, holding Thrawn in place with the Force, is pulled into hyperspace along with the Grand Admiral to an unknown location in the "Unknown Regions".
Using Pryce's codes, the rebels infiltrate the Imperial headquarters, a massive mobile "Dome". They trigger Protocol 13 , an order that compels all Imperial forces on the planet to retreat into the base for immediate evacuation. Star Wars Rebels - Season 4Eps15
While the battle rages, Ezra is brought before a hologram of Emperor Palpatine . The Emperor attempts to manipulate him by offering a way to reunite with his deceased parents through a Force gateway. Ezra ultimately rejects the offer, choosing to let go of the past to save his friends and the future of Lothal. The Purrgil arrive, devastate the Imperial fleet, and