Inquisition of the Blazing Sun
Strahd Von Zarovich
Vampire Lord of Barovia
While masquerading as Ismark, Strahd endeavored to use the Inquisition to his own means- locate Ireena, weed out any weakness in the local Burgs, and to amuse himself.
His first real fight with the characters forced him to retreat, to his great surprise. In their weakened state after the fight with Baba Lysaga, he was overconfident, but learned their weaknesses and strove to exploit them at their final showdown.
Nearly killing the wielder of the Sun Sword, he was nonetheless defeated and materialized back in his coffin. There, he was overwhelmed with the zeal of the Inquisition, and Barovia was freed.