Board Thread:Theories and Speculation/@comment-25132842-20180405032134/@comment-33308438-20180405185420

In a personal theory of mine ,Kakashi is not ordinary.Obito is someone incapable of awakening SusanoO.Kakashi SusanoO has the scar mark which proves it's his alone.

On the other half ,Hashirama cells were explicitly stated to provide healing of body tissues and regeneration + physical energy.