Black Crystal is a potent and illegal drug created from crystallized vampire blood.
Vampire blood, when ingested by humans, has many drug-like affects:
- Euphoria - Black Crystal caused those who used it to become ecstatic and high with euphoria. IT seems to fill them with the superhuman energy and vitality of vampires, making them feel super-powerful. They libidos were also heightened.
- Heightened Senses - The drug heightened one's senses to a degree. Their vision was improves so that everything was more vivid; they could see 'light' radiating off of themselves, others, and even off of objects. Beth commented that she wanted to "feel the night" when she walked all the way from her apartment to Mick's.