User blog comment:Enriant/Heaven and Hell/@comment-26982641-20160602075639/@comment-26982641-20160606202804

Enriant, the spell affected every angel's strenght. Besides Grigori and Lucifer. Grigori fell from grace milleniums ago, the do have their wings. Angels are less durable since the fall if you realized, so does Cas. Broken wings affect their powers. Also remember that Tamiel was feeding on souls.