Malin also thought the same, but he couldn't resist the Thanan envoy's sincerity. When the blueprint of Faye's kind of lightsaber was slapped on Malin's face, Malin swore he was truly somewhat surprised.
Our kingdom doesn't even know how this thing works, or what its internal structure is like; how do you have a complete set of blueprints?
Then the Thanan envoy explained that the blueprint was a copy, with the original kept in their great library. Hearing about new marvels, they wanted to join the celebration, and naturally, since they were asking for help, they had to show ample sincerity.