In the past, wizards would always add the phrase 'urgently like a decree' at the end of their spell casting, implying that the spell should be as obliging as an order, taking effect immediately.
Although modern wizards no longer use such a crude straightforward incantation when casting spells, they haven't completely abandoned this effective spell form. Instead, they've sealed it within the Law book, empowering each spell recorded in the book with the effect of 'like a decree'.
The fox maids, naturally, do not fully comprehend these esoteric wizarding knowledge.
But it did not prevent them from sensing the speed at which the male wizard from the top university in front of them was performing his magic.
