Abjurism

Vampire the Requiem - Ancient Bloodlines
Though the Passionate have an undeniable tendency to embrace religion and despite the fact that their Discipline adopts aspects of Catholic ritualism, the proprietary Discipline of the Septemi does not necessitate faith on the part of the user. Indeed, the bloodline founder learned to focus the esoteric forces of his own blood to protect himself and others against the depredations of his vampire kin. The fact that his abilities proved equally effective against the other monsters of the World of Darkness came as a surprise to him.
Most Kindred know that elders seem to garner a resistance to powers of the blood that goes beyond their resolute wills. Some vampires have even discovered that such power grants a defense against the attacks of witches and Lupines, and that those entities prove similarly unaffected by vampire Disciplines as their faculties grow. Though few Passionate truly understand it, their founder learned to focus that power, using it as a defense against his enemies.
In game terms, most supernatural characters possess an Advantage (such as Blood Potency for vampires) that defends them against the supernatural powers of other characters. The Septemi use that facet of their being in a manner more efficient and focused than most. As a result, their Discipline only functions against supernatural powers. It cannot aid them in contested rolls that only utilize mundane Skills, even if those are aided by a supernatural power (such as a punch enhanced by Vigor).
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