He had studied this field extensively before giving up, marking teleportation circles as impossible fantasies. After all, how could a small circle replace the humongous Gates they used?
However, it was because he studied the field that he understood the intricacies and viability of the design.
After recovering his bearings, he sternly explained, "I don't want to know where you found this design, and I don't care. It is unrecorded knowledge. If anyone ever found you possess it, you won't need to meet the archmages. They'll find and erase any trace of you!"
However, instead of the panicked gaze he expected from Adam, he only saw him grin.
"That's why you recorded it?" He said playfully. After their exchange, he understood what drove Shepard. It was not power in itself but knowledge. That's why he shared the circle, unafraid of the consequences.