Remix: Prodigy (The Unexpected Consequences Remix) [Giles/Olivia, 100 words, rated PG, spoilers for the entire television series], by lady_ganesh
Olivia's voice is solid and serious on the phone. It is kindness, calling him, and the worst of cruelties. She sends Giles a handwritten note when the child is born.
England is a good place spend a childhood, and she will be happier with a life that never knows what a Watcher is. He sends money, visits when they deem it practical.
Two years later, he stares at the hole that had been Sunnydale. Olivia calls again. "Our little girl just punched a hole in my wall. Any ideas what that's about?"
"Congratulations," he says, still feeling dazed. "It's a Slayer."