your journey leads you to Anor Londo, after overcoming a great adversity, Gwynevere, Queen of sunlight awaits you in a chamber, smiling like a proud woman

Thou hast journey'd far, and overcome much. Come hither, child... I am Gwynevere. Daughter of Lord Gwyn; and Queen of Sunlight. Since the day Father his form did obscureth, I have await'd thee.

shes laying on her side on a couch, smiling warmly at you, she's a beautiful Goddess and unlike all the tales, shes not an illusion