What I was about to create was similar to giving birth to a new life.
To be precise, it needed the ability to make decisions on its own.

‘It doesn’t need to be like a real brain.’

The mechanism was simple: detect magical energy, and then utilize all available means to target and eliminate the source.

With that as the foundation, I began drawing up the design.

"Master Key, please prepare the parallel schematics."

Whirr...

And I would need at least five of these units.
Fortunately, with both myself and the Master Key, mass production wouldn’t be an …