kills them both

"There's no way in hell I'm becoming a father" said Andrew, reaching behind him.

"What the Fu..." Buffy began, but before she could finish Andrew pulled out a gun.

"I bought this 9mm. shortly after we left Sunnydale" he said, "I knew it'd come in handy."

Before either slayer could react he cast a spell on them, freezing them in place.

"Time to die" he said, taking careful aim at Faith first.

It took less than a minute, and they were both dead.

"Great" he said, looking at their bodies, "just great what the fuck am I supposed to do now?"