The witches' governing bodies had, to a great extent, already become integrated internationally. More often than not, they used "witch" as the collective term and applied a diplomatic policy of "one witch principle" toward the administrative bodies of any alien worlds, other realms, or alternate spaces.
Examinations were simply divided such that A1 was a local exam, meaning the test would basically be tailored according to the conditions of each region and country.
For example, in countries where education was somewhat underdeveloped, witches would not be tested on introductory Latin runes, introductory Divination School spells, or transformation spells.
But once it rose to A2, it became universally recognized worldwide. Even twenty-five years ago, witch examination papers had to be sent to Monarch City in Europe for review, where more than six top-ranking witches supervised them at offices from every country, while the chief supervising director would temporarily be served by a Great Witch who could not be constrained by nationality.
Only by today, twenty-five years later, had the number of A2-level witches grown so large that this method of transporting papers over great distances for grading could no longer meet demand. Thus, the A2 standard that had persisted for over a century was immediately changed, and that very year, the system was completely reformed so that grading was conducted in the capitals of each country.
In theory, South City's papers also had to be transported to North City for review.
But now that South City had gathered around four Great Witches, it was hardly suitable to make the Great Witches uproot themselves and move to North City. So nineteen cities were selected to establish review offices, basically covering the entire country.
Generally speaking, papers for an A2 subject would be set domestically. But the alchemy and runes Jiang Han had