Noah didn't know how to turn those marks into an inscribed item that could control the Space Hounds' innate ability. His expertise covered different fields, and ideas on how to fuse those materials with his techniques already filled his mind.
Yet, Noah also had a vast experience facing threats that his cultivation level didn't allow him to overcome. He had often relied on tricks and shameless tactics to win certain battles, especially when it came to his time in the lower plane.
His idea to turn the runes into a weapon was crucial to developing a strategy to give the group a chance against the rank 9 leader. King Elbas and the other inscription masters immediately began to work on those marks, but the experts didn't stop their advance.
The inscription masters required materials to create the intended weapon. Most Space Hounds only had three to four marks, and they weren't enough to cover the needs of the tests.