@Hounder You have quite the discerning eye, my comrade. I immediately thought of Kirisu-sensei when I saw Raelza on the last page (the resemblance is really close).
@Isshiki_Kotonashi@neorasp You don't need to be electrically isolated. A Faraday cage works even if you are touching it. As long as there isn't any part of you sticking outside the metal, you won't get electrocuted, as electricity sticks to the outside face of the metal.