There were nine Professions one had to choose from when ascending from Arcanist to Mystic. Nero did not know the exact details of what was required for the ascension, or why a Profession was required at all, but he knew a bit about them.
Of the nine, the one most commonly found in Kolar was Monarch. Whether it was because the founding father of the nation, Adelix Invictus was a Monarch, or the current strongest recognised Sage was a Monarch, or for some other reason, Kolar was recognized for it Monarchs.
The Profession suited warriors well, granted immense power, and had a rich history in terms of famous people who selected the Profession. Then again, so did the others.
Polymath was a Profession only found in New Velarya, since the royal family of New Velarya had a monopoly on that Profession and would kill anyone who tried to become one.
Virtuoso was, perhaps, the least common Profession, and it was straight up banned in Kolar for reasons Nero did not know.
