Oh, amazing."
"I've never seen magic like this before.."
Seeing that spectacle the two of us just let out voices of wonder.
However, I have a recollection of this sensation of magic power being sucked out.
It's the same sensation as the time when you make use of a magic tool.
Most likely, this stone monument itself is a variety of magic tool.
I wonder if it could be that the Seven World Powers stone monument is a magic tool as well.
If you were to split it open, you might find a magic circle inserted inside it.