When the wall of water sprang up, she backed up a little, shocked by it. That meant she couldn't attack him physically, but she could still deliver a hell of a mental blow. "Everyone fuckin thinks they won't cower, but there's always something that will break them. You fuck with my brother again, and I'll come after every fucking thing you love. You can't stop me. I die and come back ten fucking minutes later, asshole. So leave the fucking Sins alone! Learn your goddamn place!" And then she sent her essence out hard. Waves of self-loathing and worthlessness would descend upon him.
And this time she didn't take it away. "I got shitloads more where that came from, Flounder!"