User blog comment:Egyptian Hybrid/How powerful is Lucifer's child?/@comment-3423279-20170316131353

Metatron isn't exactly the strongest angel and Cas was taken by surprise (like an idiot) which might've contributed to his beatdown.

As for Lucifer's kid, I can't imagine it being stronger than an Archangel, stronger than the majority of angels sure, but not an Archangel.