Darth Vader: Dark Lord of the Sith 24

Emperor Palpatine has granted Darth Vader a planet to
do with what he will — and Vader has chosen Mustafar,
a world ripe with dark side energies.

But Palpatine's other gift, the Mask of Lord Momin,
has possessed several hosts, and by channeling the
spirit of its long-dead Sith Master, has designed a
fortress for Vader with which to tune Mustafar's energy
and open a portal through the Force.

But Momin has betrayed Vader, opened his own portal
and resurrected himself. All while Vader's fortress is
under assault by an army of Mustafarians seeking to
crush the Dark Lord....