Gawain did not expect Rebecca to prepare a second project for this experiment, but upon hearing the words "random selection" from her, he immediately guessed the girl's intention.
"I want to test more accurately to see exactly how the mental Steel Stamp works," Rebecca explained her thought process, pointing to the devices the researchers were installing on the experimental platform, "This is a modified rune trigger—it contains a constantly rotating disc with a cog, and when the button is pressed, the disc will contact a small platform. Only when the cog on the disc turns to the appropriate position will the connection between the cog and platform form a correct magic circuit—the entire device is enclosed, which means the person pressing the button has no idea what result will come of their actions; their mental choice is limited to whether they pressed the button, not whether they activated the system..."
