[ He's left to level an angry stare at the spot where the ghost vanished, not understanding what that was about. Like all it wanted to do was torment Gray... Amos is still bristling at the idea, keeping Gray close to him until she indicates she's ready by separating from him herself. His arm relaxes, but he's still glaring at thin air.

At least until she thanks him, at which point Amos blinks, like he's resetting himself. Lets that anger (mostly) fade away, now that the threat is gone. Looks at her back for a moment, almost sadly, before moving to catch up. ]

Yeah. 'course. [ He sounds a little uncertain, though — not from her thanking him, but for how he could have handled that better. Stopped it from happening at all.

A beat, and, ] After you show me what to do you don't gotta come back here as long as the ghosts are around. I can let you know when they're gone, too. ... When it's okay again.

[ Mostly, he just feels shitty that anyone would put her through any ordeal like that at all. ]