Board Thread:Dark Souls II/@comment-84.76.70.224-20140322212426/@comment-5264386-20140322215108

The final boss of the game is Nashandra, and she'll be near the Throne of Want when she'll fight you. Also, to open the door to Vendrick's gear, you have to be human (fitting for passing through a door called the Door of the Living, no?), in addition to having killed Vendrick.