——It's said that way, but in reality, that thing isn't a mass-destruction weapon like a nuclear bomb that can obliterate the entire planet by pressing a button.
Strictly speaking, the "Sword of Akasha" can be considered a kind of insurance device. It's troublesome to use and, if one is not careful, it can turn into a self-destruct device. Depending on the use method and the objective environment, it can become a magical tool to "rewrite the world" or a world-destroying entity.
Such a troublesome and dangerous thing remarkably lacks any "correct usage" or "user manual," so it can only be sealed in a safe place to prevent ambitious and curious monkeys from coming into contact with it, avoiding a crisis of world destruction.
——That's roughly the official statement.
The fingers tapping on the table stopped, and the elegant smile became as illusory as a mask.
The term "official statement" sometimes proves to be quite convenient.
