Marvel Day: Conan and Red Sonja Fencing, Swash-Buckling, Retrieve The Serpent Tiara

In 'Conan The Barbarian' (1973) #24, Conan and Red Sonja fight the Devil-Beast.

In 'Conan The Barbarian' (1973) #24, Conan and Red Sonja retrieve the Serpent Tiara. What happened next?