[OP: ]
The headmaster was a higher being that had created the entire island space with his own magic and investments.
It was only a small mass of this world, a small land present in the ocean a long, long time ago when he found it, and overtook it.
It did not belong to anyone back then, but after that time, it was property of the academy and the headmaster of this world himself.
{ "Unit 2 reporting, we have cleared the area 32B." }
{ "proceed forward." }
He had made the place into something that could sustain itself even without his presence and the personal system that controlled the rest of the academy also looked after this particular training space.
[ "I see three on my side." ]
[ "I'll reach the location of the two. Go ahead though, take the first kill." ]
[ "Wouldn't lose that chance." ]
The testing island of the academy was one of the oldest places that had existed after the academy came to be.