"Learning? Training? Seriously, is any of this actually necessary?"
"Master, you are the ruler of this Trial Space and the master of the Abyssal demons. The peace of this world is built upon your personal strength. You can only act as a neutral third party balancing the two major forces if you are strong enough. Relying solely on the power of your Authority is not true strength. So, learning more is not a bad thing."
"Since you put it that way... fine."
...
Yumo finally agreed to the proposal under Yue's persuasion.
After all, the children's training had not ended yet. As their mother, she just stayed in the forest every day. Eating, bathing, sleeping, reading novels... Yumo felt like she was about to grow moldy. As a Level 9, she still had an incredibly long life ahead. It was time to find something meaningful to do.
Learning various techniques,
And magic and such?
Perhaps it was not a bad choice.
Additionally,
