Alistair trills happily as Billie pets him. He might not get anywhere like that when he's older, but it's working now and that's what matters!

It's most recent experience is pain. There's an overwhelming, blinding feeling of pain the moment Billie reaches out with her empathy. Mixed within that pain are lesser, yet still pretty intense, feelings of fear and aggression.

This is the shirt that Strange was wearing when he died.