Certain ability scores each increase due to your profane blood.

Vampires are reborn as Fledglings and reach full maturity in 150 - 250 years. 
If not slain they will never die of old age.

Due to the predatory nature of Vampires they rarely remain innocent for long as they succumb to the dark desires.
They tend towards Most Evil alignment

Vampires vary widely in height and build, from barely 5 feet to well over 6 feet tall. Regardless of your position in that range, your size is Medium.

Your base walking speed is 30 feet.

You can speak, read, and write Common and one extra language of your choice. 

While water gives life to mortals it is a Bane and poison to Nosgoth Vampires.
Where as rain may hamper vampiric abilities submersion burns vampiric flesh like fire.

A hunter of men has fearsome claws

The blood of Janos Audrin, Last of the Ancient Vampires flows in you.
Passed first to Kain, father to all Modern Nosgoth Vampires it now flows in your dead veins.
As a progeny of one of Kains 6 lieutenants you inherit your Clans gifts and curses.

A Nocturnal predators most useful advantage.

The sun burns your undead flesh.