Astok barely eludes Kar Komak in the corridor. Carthoris and Thuvia exit the prison. Meeting Kar Komak, they continue pursuit of Astok. Carthoris and Kar Komak battle others at the landing stage. Taking the Thuria by force they depart.
Patrol boats pursue.
Later they observe a grounded airship under attack by green Martians. The Thuria attacks. Carthoris continues his rescue of the beleaguered ship even after he sees the device of Kulan Tith. The Thuria succumbs to deadly fire from the green men and lands nearby. Kar Komak reveals his expertise at mind control by creating a holographic army, which decimates the green horde.