It is extremely rare for a demon to brave the heavenly trials, since their body and soul could be instantly destroyed if they fail to defend or resist the lightning. Thus, many low- to mid-ranking demons remain in the Demon Land, as no trials are required of them.
The heavenly trials are reserved only for noble demons and a select few humans aspiring to become gods. Nonetheless, the departure of this particular noble demon had to be kept secret from the other regions. After all, the four regions compete fiercely for dominance. If news spread that Emmeline, the Fox King's heiress, would undergo her first heavenly trial in her twenties, noble demon clans from other regions would surely send assassins to kill her mid-trial.
