Patterning himself after the deeds of an ancient Heroic Spirit known as Medea in her massacre, he boasted about his work.
Of course, his actions could hardly be called comparable.
For someone like her, who had existed before the common era in an age where mankind was much closer to magecraft, a simple One Count spell would have been sufficient to replicate the effect of a modern bomber aircraft. If a modern magus dedicated their life to study and layered up ritual after ritual, it was still questionable whether they could reach the same level.
But, in that respect, that was what made this particular spell impressive.
Case Files III, Chapter 1, Part 2