He shrugs, missing the gesture between them as he's still surveying the path ahead.

"In their default state, spirits are nigh impossible to see with the naked eye. If these natives lack in the ability to see aether as we do, it wouldn't be surprising that they are unable to spot them whilst the sun is up. Once night falls, these spirits become far easier to see and so they are attributed to the night."

He WILL go on if either of them let him.