Yay! Dialogue! I can never come up with dialogue- just vague ideas. I wonder how Peter and Neal make that final leap to realizing about Immortals. The easiest ways are for them to see Elizabeth revive, heal, or win a fight with another Immortal, but those ideas are also pretty cliche. I do wonder what they'd make of Elizabeth winning a fight after this scene though. They probably wouldn't see the actual fight, but they'd see her getting rid of the body (if there is one- I'm never sure if Immortal bodies turn into dust or stick around after decapitation).