"It's kind of complicated -- you'll have to bear with me. And try and just follow along. Interrupt me if it gets too kooky, okay?"

Buffy, too, leaned forward on her elbows. "My sister -- she...didn't always exist. Not as she does now. A group of monks had a very important...something. And they needed that something safe. So they gave it human form. And they gave that human form to the Slayer in a way that ensured she couldn't not protect that something. They made me a sister. And they made memories, too."