Vampires, also known as the Children of the Night, are a species of Downworlders. Along with werewolves, vampires are humans infected with a demon disease. However, unlike the former, vampires are considered "undead".
APPEARANCE:
Vampires generally tend to look pale, sallow, and thin, though this is not always the case.
The blood of vampires shimmers bright red. Vampires cannot shed tears;[1] instead, it is blood that leaks through their eyes. Being reanimated corpses, they do not have a heartbeat and do not need to breathe, although they are still able to inhale and exhale oxygen, in order to utilize their heightened sense of smell, to pass as human, or to blow on something. Their lack of breath makes them impervious to such things as asphyxiation, drowning, or gases.[2]
A vampire and a sire also have some sort of connection. Particularly, upon the death of one's sire, a vampire will experience a momentary jolt of pain, presumably feeling the same pain their sire felt at death.[3]
The dirt of the grave where a vampire was buried holds special properties for that vampire. The vampire can tell if the grave has been disturbed. Vampires may use this to communicate simple messages,[4] even without the other's presence—for instance, breaking a container of a vampire's grave dirt could be used to alert and summon that particular vampire.[5] Clans sometimes even have a spot where a jar of every member's grave dirt is hidden, used for emergency purposes for when a leader needs to call on all their vampires.[6]
Vampires also cannot be tracked by normal tracking magic, neither demonic nor Nephilimic; however, powerful vampires tend to travel with mundane subjugates who can be tracked.[7][4]
Like warlocks, vampires are immortal and sterile; though unable to bear children, they are able to continue their vampiric bloodline by turning humans into vampires
ABILITIES:
Like werewolves, they possess superhuman strength, grace, and speed, and are able to heal quickly from most mundane injuries. They also have enhanced senses—smell, sight, and hearing. They can easily adjust their eyes to seeing in the dark, as well as almost instantly adjust when shifting between light and dark.[4] Vampires also gain sharper eyesight than humans, and any fledgling who wore glasses in life will no longer need them as a vampire.[8]
Vampires also have the power of the encanto—the ability to mesmerize and essentially control others.[5] They can also shapeshift into bats, rats, and dust, while maintaining their intelligence in any form.[9]
Power from a sire—the one who gave them the vampire blood that enabled them to turn—is also seemingly shared or transferred to some extent, mainly because it is through blood that vampires pass their powers to each other.[8]
CREATION:
A human who has been bitten—with the transformative properties of vampire saliva able to Turn them—or has consumed enough vampire blood, known as a fledgling, will not abruptly Turn into a vampire. To be reborn, the human must first die a mortal death, during which the undead body will enter into a state of transition. They must then be buried, during which they will reanimate while in the ground, and then must make their way out of their own grave to be 'truly born'. They must then feed on an exceptional amount of fresh human blood within the next 24 hours to complete the transition, or else they will fade and die.[8] Because of the vampire blood, the demon "disease" and energy, and saliva in their bodies, their corpses are kept intact and animated.[4]
Because of this, a killed fledgling should have someone familiar with the process to support the fledgling and ensure a smooth transition, specifically by being present for the vampire's rising, to ensure that the fledgling would successfully rise of the grave, and supply him or her with blood and take him or her to a safe place to recover.[4][8]
The demon strain that causes vampirism can cause uncontrollable aggression, mostly associated with their thirst for blood. An orphaned fledgling—one with no guidance or clan to support it—will have little to no idea about what's happened to it, and won't know how to feed safely or even to stay out of sunlight. The importance of a clan is highlighted because of this instances, and in case this doesn't happen immediately, a Praetor is dispatched to a spotted new vampire to help.[5]
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https://shadowhunters.fandom.com/wiki/Vampires