User blog comment:IamJakuhoRaikoben/Chapter 393: Silver Memories, Review./@comment-31.61.129.124-20140717084916/@comment-31.61.129.87-20140717104536

You might be right, although wouldn't it be logical for Silver to be interested in Deliora and investigate this incident? He should then get to know that Gray was involved.

Maybe he wasn't able to do reasearch on it though.