As the half-brother of Adalricus, Tavarius has harboured a hatred of Satan ever since his mother was abandoned by him. So what other way to exact revenge than to marry your enemy's daughter in order to gain dominance? The initial advances of this cold demon seem to serve his purpose, but in time you realise that there is something much more sincere lurking behind it. He is vicious and feeds on the suffering of others, but maybe that's what attracts you to him.