The final significant House Rule I'll be implementing for Ravenous is how Out of Clan Disciplines are handled. In Vampire , each Clan of vampires has three "Clan Disciplines"--for example, Brujah have Potence, Celerity, and Presence. There's naturally a desire for players (and, often, characters) to learn more than just their inherent abilities. Over time, I've become less forgiving of easy access to Out of Clan Disciplines. This is for three interrelated reasons. First, characters rapidly become very similar, taking away from the distinctiveness of each Clan. If everyone has Potence AND Celerity AND Fortitude, then what really makes any of them different? Secondly, most systems/guidelines place a different cost in terms of effort and risk in learning different Disciplines. "Physical" ones are pretty easy, "Common" ones (Dominate, Obfuscate, Presence, etc.) are about average, with only the "Unique" ones requiring special access or ...