Even Burkhart-san can’t use this magic, so it must be a fairly unique magic.
Which reminds me, Burkhart-san surprisingly moves, following the intentions of the margrave of Breithilde skilfully, going about his duty. He doesn’t seem to have received any instructions via long distance communication, thus he likely follows an objective to a certain extent from the beginning. I have the impression, moreover, that he follows his independent judgement on how to operate.