Wash, rinse, repeat. Not even the Changeling invasion was this infuriating! Granted, the Changelings were a lot more dangerous. There were enough of them that it was actually a serious threat to her shield. With just Val banging on her projected force field, he was clearly playing the long game, hoping to wear her out slowly. Or hoping she would make a mistake, like forgetting to raise it, allowing him to clobber her.