Board Thread:Episode Discussion/@comment-30530552-20180102163330/@comment-27312496-20180103195610

SomeoneYouUsedToKnow wrote: 1) She still had Aura at that time, however (otherwise she wouldn't have been able to avoid decapitation with her Semblance). And it's more likely Adam didn't truly stab her so much as just painfully poking her with the sword's tip.

Actually Blake has been shown to have a scar where she was stabbed. So he probably stabbed her through.