I suppose I may continue to post this or that item on LOST once it's all been wrapped up (even though I know intellectually that it won't REALLY get "wrapped up.")
But it'll be different once LOST solidifies into a Canon of Known Stuff, much like what happens when a famed author dies and critics can finally start talking about his work in such terms. The message is clear:
Before talking about "Across the Sea," a prediction: now that Unlocke has made his nature known to the surviving castaways, they're certainly not going to let him get near them. Given that he probably can't assault them directly or trick them further, that can only mean-- It's Catspaw-Usin' Time!
But who can devilish Unlocke tempt?
Surely not Richard. Richard almost surrenders his soul to Unlocke in "Ab Aeterno," but is pulled back from the brink by the ghost of his dead wife. Richard's not likely to listen, though he is likely to get his earlier wish about dying before the series ends.
Miles, being no angel, is a stronger possibility, but down deep he's essentially a good guy. He's also probably too suspicious for Unlocke to manipulate. Additionally, it's marginally possible that with concentration Miles might be able to read the thoughts of Unlocke, since Unlocke, as "Across the Sea" informs us, is really if not sincerely dead.
Ben Linus, then, is inevitably the favorite. Unlocke knows all of Ben's weaknesses and will probably think he can exploit them again. A typical LOST dramatic moment would be Unlocke giving Ben some powerful motivation for knocking off the candidates, not to mention wild card Desmond. What would the tempter use? Giving Ben sovereignty of the island has already failed. Vengeance for his slain daughter, in the form of Charles Widmore's death, would probably be more likely, which might theoretically put Desmond in the position of saving his bastard father-in-law. But will Ben Linus go even lower than he ever has before? Methinks not. Heroic death through helping defeat the "villain" seems more probable.
I feel good about this prediction. Earlier I predicted that Unlocke would use some catspaw to penetrate the Temple: I only erred in guessing the wrong catspaw. (And I mighta selected Sayyid instead of Sawyer had the writers not SPUN OUT OF WHOLE CLOTH the sudden revelation that the Temple's security depended on Dogen's continued life!)
Next: A Sea-Change.