Quote Originally Posted by jamieth View Post
At this point, you can have minus infinity to your attack rolls, and still hit more or less regularly with nat20 alone... and stall the combat to the point of unplayability.
I just want to point out, though, that if your only way to hit is on a natural 20, you're basically paying 100 motes for one guaranteed-hit attack, unless there's something I'm missing that would let you use Twinned for less.