[Most, if not all, technology flies straight over Arthur's head - he's more than likely to attribute anything shiny and mysterious to magic, despite Neal's best efforts to get Arthur to understand technology]
[So seeing all this is, well, reminiscent to him of magic and so he's kind of staring around, slightly perplexed and perhaps a little intimidated, if he's honest]
[FROWNS so much at the armor, tho. Cause, well, that wasn't what he was expecting /was expecting chainmail] It's... rather strange.