Octavius took a deep breath now that he was seeing more of what she had in mind. "Dark magic...well I can't say that it's more powerful. It packs a punch certainly. But with that comes an added danger," he explained. He didn't have much experience preforming the spells himself. He had seen them before and participated in some but they were usually handled by someone with more of an expertise. "What are you going for exactly? I don't imagine you'd want him dead."