Palpatine would have been able to resurrect himself successfully had Darth Vader not kept one secret from his master. The Sith are obsessed with power, and their ultimate goal has always been the conquest of death. This was why Palpatine chose Anakin Skywalker as his apprentice; he was aware of the ancient Sith doctrine of the dyad, which according to legend had the power to conquer life and death, and he hoped to create such a dyad with the Chosen One. But such a dyad is created only by the will of the Force, and Palpatine and Darth Vader were unable to form a dyad.
The Emperor focused his attention on another possibility. He discovered the ancient Sith redoubt of Exegol, concealed in the depths of the Unknown Regions. A unique vergence in the Force, Exegol is a place where the boundary between life and death is unusually thin, and it proved key to Palpatine's resurrection after he was betrayed by Darth Vader. Palpatine's cultists were able to draw his spirit through the vergence at Exegol, and the Emperor inhabited a clone body. Unfortunately, the process proved only partly successful, because no clone body could contain the power of the dark side, and Palpatine became trapped in a deteriorating clone that could never leave Exegol. Death, it seems, was not so easily cheated. Ironically, though, Palpatine's own apprentice knew the secret to a successful resurrection — through the use of the Force vergence on Mustafar, rather than the one on Exegol.
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Charles Soule and Guiseppe Camuncoli's Darth Vader run saw Vader attempt to tap into the power of this vergence with the help of the ancient Sith heretic Darth Momin. Momin had survived death by
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