"Thousands of years," Waver confirms. The exact number is immaterial, the word thousands is the important bit. But at sharing more, Waver does frown.

"Technically magi are sworn to secrecy, as to share their knowledge about the craft is to lessen it's power. However," was he about to try and strike a bargain with a dragon? Probably. "I'd do it if you did the same. Fair's fair."