User blog comment:IamJakuhoRaikoben/Sorcerer Magazine, Issue 47: November 2015/@comment-112.133.244.36-20151209130740/@comment-112.133.244.38-20151209150941

Silver (?) can freeze Mystogan’s mist. And the reason we compare Pre -Timeskip Myst. to Silver is because the guy did not progress after that.