The darkness - L. A Banks

Darkness descends with the arrival of the Armagedon, in the latest novel in Banks' Vampire Huntress Legend series. The Neteru team of vampire hunters return to San Diego, thinking they've killed the demonic Lilith's son. But he somehow got away, and now - just as prophesied - the anti-christ has been born and will soon rise to power. Lilith is rewarded with the daylight bite, and begins to create vampires at record-breaking levels. Meanwhile the dark realms are healing and their numbers' increasing, feeding off the energy of the anti-Christ who is waiting to emerge...