I posted this while still going through the party and just found another one. Wither straight up goes
Though art the Saviour of Baldur's Gate....until such time it requires saving again.
And later goes (I will summerize slightly)
I have waited long to tell you these words. It is over....for now.
Sleep, rest, revel. But be ready, For though mayest yet be needed.
They weren't exactly subtle I suppose haha
Yeah, some sort of Karlach+Wyll DLC for seems the most obvious to me from what I've read.
Going to Gale's magic school could be fun too, either as its own DLC or as a little side thing in another one. I'm sure a school full of Wizards could cause some problems that my character could be called in to help solve.