Sar'this says: So my blood was not a sufficient payment, eh? Fine, let us recover your arcane essence. After this, I owe Balthas nothing.
Sar'this places a fetish at the ritual pile.
Sar'this says: The process is arduous. We must first summon forth acolytes of the elements. You must then destroy these acolytes so that my minions can make preparations.
Sar'this says: Well done! Let's continue.
Sar'this says: Prepare yourself! The acolyte of water is soon to come...
Sar'this says: Come forth, acolyte of earth!
Sar'this says: Fire, show yourself!
Sar'this says: Now we call forth the arcane acolyte.