Quote:
Originally Posted by roguebfl
That not Preparation Required, that's more along the lines of Takes Extra Time.
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Takes Extra Time is also roll-after, and gives more points back than Preparation Required (in part because the time scaling is different, in part because there's no break between the preparation and the use.)
In either case, roll-before is a problem (aside from figuring the cost) for many powers because you may not know the situational modifiers that will apply at the time of use at the time you begin the preliminary concentration or preparation. (Particularly with Preparation Required, which may be done long before the effect is used.)
What is roll-before supposed to represent? How do you know how well what you are attempting is going to work before you start?