I wonder if the tadpole "Force persuade" powers you get and the continuous references about "a price to pay" when you use those powers would be related to something akin to the mechanics of the "Spirit hunger" of MOTB. You get powers, but you can lose yourself in the hunger.
That more or less vibe I was getting, though difficult to say without knowing more mechanically wise (and if it continues throughout the entire adventure as I suspect, we might not even see it in EA).
