Category
Art's Traumatic Essence.
This power utilizes singing to inflict madness. It affects only one person at a time, but can be used in conjuntion with the previous powers.
System
Roll Manipulation+Empathy (diff of target's Willpower). The singer must accumulate a number of successes equal to the subject's Self-Control/Instincts+5. Once this happens, the target acquires a new, permanent Derangement.