To my mind it also seems like rigging up something to start a fire with heat magic is easier than making sure you don't burn your fancy house down with fire magic.
Wow their parent is so stupid. Everything is need proper balance including raising child. Sure if child made mistake it's fine to scold them, but if they do better praise them. If you just use stick without carrot, they either be broken or became twisted.
Wait, is there an actual light novel for this, or is this meant to be like, Sophina's journal or something? I haven't seen anything about a light novel anywhere