They hide in a room to call for help, but the clerk is too busy gossiping to pick up, so Bruce reaches them and brutally beats Jonathan until Nancy stabs him in the back and retreats, Bruce again following Nancy while Tom comes for Jonathan, continuing to beat him until Jonathan lies prone on the floor.

Do Nancy and Jonathan get flayed?

She split it in two at one point, but it just glommed back together. The biggest downfall of the Flayed (in addition to their heat intolerance) is that they're all connected. If one is injured, they all suffer the ramifications. That's actually how Nancy and Jonathan escaped two Flayed in the hospital.

Do the flayed die Stranger things?

It is likely that a total of 30 Hawkins residents (including the aforementioned above minus Will and the rats) were flayed and died as a result of the Mind Flayer's Avatar's death, since it was mentioned by the news in "The Battle of Starcourt" that 30 people died in Starcourt Mall's fire, which was obviously a cover ...