SPOILER ALERT
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I reached the point in the game where everyone starts getting sick and Lae'zel threatens to kill us all before she's talked down.  After resting for the day, I can no longer talk to her.  She wasn't in my party at the time.  She has an exclamation mark, denoting she wants to talk to me.  But I cannot get the conversation icon hovering over her.  Nor can I click her.  Tried rebooting the game [which has sometimes helped with other issues] to no avail.  I guess she's really moody.  She wants to talk to me, but refuses to.  :P