You woke Up from you're Grave with the task of defeating the Lords of cinder

After defeating Ludex Gundyr, you walk all away to some kind of Shrine, where you find a fire, and a Women tending to it with care

The women turns around and adresses to you with her Soft voice

"Welcome to the bonfire, Unkindled One. I am a Fire Keeper. I tend to the flame, and tend to thee. The Lords have left their thrones, and must be deliver'd to them. To this end, I am at thy side." She Says