The benefits trade can bring

"What do you mean?" Eldrian asked.

"Whoever made these are still clearly novices in both runesmithing and formation creation. They skipped learning how arrays worked, immediately trying to make a formation while adding runes haphazardly." Thesolis explained. 

"Which explains why the mana supply has to be precise or it will mulfunction," Solvi added.

'They're right, even after just reading through two books, I can tell that they rushed to making before understanding. But considering they just think of this as a game to enjoy and maybe make some money off of. It is understandable that they would rush in.' Two added. 

Eldrian wasn't even going to touch on the fact that Two had already finished two books. Instead, he just nodded like it was normal to finish two books in like two or three hours.