Deaton and Scott in “Unfinished Business”

Your eyes, they were red! Bright red!

Scott

How is that possible?

It's rare, something that doesn't happen within a hundred years. But, every once in a while, a beta can become an alpha without having to steal or take their power. They call it a True Alpha. It's one that rises purely on the strength of character, virtue, by sheer force of will.

Scott

You knew this would happen.

I believed. From the moment I knew you were bitten. I believed

Scott

You weren't the only one

No (Pause as Scott looks on) Deaucalion isn't here for Derek. He's after you.