User blog comment:Iam69god/Why is "Lost magic" lost?/@comment-29693708-20160908224005/@comment-88.145.190.174-20160909113809

You both have good points, but i would think people would make every effort to preserve and recover the knowledge or even reinvent it given its value. there is also the possibility that it is considered a black art and therefore the knowledge required to reinvent it is forbidden.