Because this is the culmination of your actions. The decision you were bound to face the moment you decided to aid them. [FN-2187 had fallen into her lap much the same way the droid had, and each fumbling, sprawling step taken from that point forward was little more than another rolling, eager shockwave, echoing outwards and onwards until she could no longer outrun the inevitable: his offer-- Snoke's offer-- or the certainty of torment dragging on and on until she proved herself no longer necessary.

This time his stare glints with something deeper, earnesty pooling just beneath the surface of his own innate deceptions, and he licks his lips before he adds, openly:] I know what it is, to suffer because of someone else.