A Seniatta is an Italian Dark Fae.
A Seniatta can control a human's inner motivations.
When Bianca influenced a dominatrix to kill Vex, she touched the woman one time and this was enough to drive her to kill Vex later.
Seniatta appear to require touch in order to influence the emotions of their victims. The influence a Seniatta exerts on someone appears to last a long time.
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