Mina had already started learning witchcraft.
Normally, the best age for ordinary people to begin learning witchcraft was between ten and eighteen.
Start too early, and their Mental Power and Magic Power potential would be unstable, leaving them vulnerable to Corruption.
Start too late, and they wouldn't have enough time to learn. If they couldn't advance to Level 3 Apprentice before turning thirty, they would also face the danger of Corruption.
But to save her life, Mina had already undergone Thor's modification. Thor had also treated the girl quite well: he had used up a Tier 2 Wizard to help her survive and improve her aptitude.
As long as Mina put in a little effort, becoming a Tier 1 Official Wizard was only a matter of time.
Thor then asked about the situation of several other acquaintances in Sky City.
Perhaps Thor had kept his dealings with those Apprentices discreet enough not to attract anyone's attention, or perhaps Ophelia simply couldn't be bothered to concern herself with Wizard Apprentices. In any case, Nathan and the others had been unaffected.
They had only been startled by the aerial battle between the Tier 4 and Tier 5 Wizards.
After that battle, however, Sky City had fallen into an eerie calm. Even the Air Port, which had been sealed off for nearly half a year, was completely reopened, allowing people to come and go as they had before.
Although he had no proof, Thor couldn't shake the feeling that Kismet had something to do with all of it.
All that remained was to wait for the Chaos Domain Compass to recharge.
During this time, Floco mainly explained to Byron how to make better use of Mental Power.
Sometimes he used himself as an example.
Remembering Floco's Water Elf form, Thor interjected with a