Ellistrae

Ellistrae is the spider queen and matron of the Drow in the Feywilds. She has a creepy old spider throne room at Blighttown where her and her followers live a relatively excluded existence from the rest of the creatures in the Fey. She commands a great deal of respect from her followers and seems to be tremendously powerful although the party witnessed little of her strength save for her fighting the Hunt at the end of A Crown Of Thorns. She has demonstrated the ability to shift between her humanos form - a beautiful pale skinned Drow, and her spider form - a less gross version of Quelaan from Dark Souls.