[Knife clenches their jaw to keep from scoffing or huffing in frustration. If it's not magic, how should I know?!

they exhale through their nose slowly, masking their agitation rather smoothly (deception 17 (11+6)).]

I can't give you a solid answer. Neither work anymore, so I can't replicate the effect. If I had to guess? [they gesture to the pile of circuits and chips.] It's one of those. Because all the wires and strings were there to connect those.