Mordoc SeLanmere

Mordoc SeLanmere, also known as the Pale Knight, was the self-proclaimed first and utmost powerful vampire king in all of Toril. Mordoc was the disciple of Eldrith the Betrayer, he, however, was not a loyal servant to her. He did provide to her slaves and members for her army.

Battle of Bones and Keep of Pale Night
Mordoc, after becoming the king of the Vampire's, led his army of Vampire's, Nightwalkers and Nightshades into the Battle of Bones where they began to thrive. Just outside, or at the edge, of the Battle, Mordoc built the Keep of Pale Night where his Vampire Servants lived with him.

Dark Alliance
Mordoc's Nightstalkers and Nightshades surrond Vahn, Kromlech and Adrianna.

Dark Alliance II
After capturing the Onyx Heart, Mordoc moved the Onyx Tower into Baldur's Gate where he was then killed by five adventurers. Mordoc himself was serving an unknown god, but it is known that this god launched an assault on Baldur's Gate, the result of the attack is unknown as well.