Kelemvor would have nothing to do with the Raven Queen.
Jergal would be happy to. He'd think he can "play" (manipulate, without her fully realizing implications ahead) her, and he'd likely be right. (Jergal is special in his understanding of how the universe works).
#realmslore
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Doomprophet
@Doomprophet115
Replying to @TheEdVerse
Would she be willing to team up with Jergal and Kelemvor? Jergal in particular would probably notice her manipulating Bane, and might try to see what's behind the mask.