The Pyramid:

Tremere choose one of the following three flaws

Choose one of the following three Flaws. Magical Addiction Disciplines other than Auspex,Dominate and Blood Sorcery cost 1 more per level. At character creation a Tremere cannot have more Discipline levels than Thaumaturgy levels

Or Mundane The Tremere cannot cast Blood sorcery but may still cast Ritual. They cast Rituals off of their using Auspex for prerequisites.

Or Possessive Seeing a member of another clan cast Blood Magic evokes a dif 3 anger Frenzy (Dif 5 if thaumaturgy.) In a difference between this and a normal frenzy, the tremere always attacks the target with their most damaging thaum.

Perfection of the Onyx Tower

If a tremere has one of the above clan flaws. After they have mastered a path of Thuamaturgy. They may purchase another level 5 in that Thaumaturgy called Perfected Magical Theorem: (Name of path.) The Tremere may call 3 additional traits (go above gen max) when casting spells from that path. They may also purchase that level 5 for Rituals as Perfected Magical Theorem (Rituals.) Tremere can do this for any style of magic, not just Thaumaturgy. Other clans may learn this power as well but it must be taught by a Tremere and has a 10 exp surcharge.  (The Tremere must also have the style of magic)  When other clans learn it they pick up the Tremere’s sense of superiority when it comes to magical matters as a side effect.