Sabbat

The Sabbat is an organization of cainites who reject the Traditions. Unlike the Camarilla, the Sabbat believe in the existence of the Antediluvians and Caine. The sect rejects The Masquerade, and instead revel in their superior power, often resulting in extreme violence.

During the events of Vampire: The Masquerade – Bloodlines, the Sabbat is a major threat to the vampires of Los Angeles; they attack immediately following the execution of the fledgling's sire, and continue to plague the protagonist and their allies throughout the series – and vice versa. The first task assigned to the fledgling by current Camarilla Prince of Los Angeles, Sebastian LaCroix, is to destroy a Sabbat warehouse, guarded by their human followers. After finally obtaining the necessary materials and connections, they break into the warehouse and blow it up. 

Meanwhile, in Hollywood, a powerful Tzimisce Sabbat vampire creates a series of gruesome monstrosities through the use of Tzimisce Fleshcrafting, several of which are caught on camera as they murder a woman who stumbled into the vampire's haven. This tape is reproduced en masse and distributed by "Death Mask Productions" as a snuff film; the Tzimisce hunts down anyone who managed to lay hands on a copy of the tape, before dealing with "DMP" as well. The fledgling manages to obtain an undamaged copy of the tape before the Sabbat can destroy it, however, and is able to use it to find the Tzimisce haven. They discover that the Tzimisce has been assaulting the Nosferatu Warrens for some time now – this has failed to inconvenience the Nosferatu, however, because the Tzimisce creations cannot access the Warrens themselves, and the Nosferatu have a second exit which leads to directly to the Hollywood Forever Cemetery.

Prince LaCroix later orders the fledgling to destroy the current Archbishop of the Sabbat; with some difficulty, they are able to successfully do so. LaCroix seems to believe that this was sufficient to destroy the organization in Los Angeles, and, indeed, the Sabbat failed to interfere with any of the subsequent events, despite their strong stance against Antediluvians. Unfortunately, there are no opportunities to investigate any remaining Sabbat activity.