User blog comment:SomeoneYouUsedToKnow/SYUTK's V4EFinal - Haven is Doomed - Impressions/Recap/@comment-26397825-20170206153308

"The sheath turning into a second blade? How? Since when? How come we never even got any hints it could do that or that Jaune knew it could do that?"

We did get told they upgraded it at the blacksmith way back in the first episode. Everyone sorta assumed that it was purely cosmetic, but nothing ever said it was.

And the difference between the standard sword and the Sheathsword is the weight - the Sheathsword is heavier so it's got more power behind its strikes so it can hack better.

"That said, looking at the place the Nuckelavee's hand ended up on, and how it's only grabbing Nora's hammer......that makes 0 physical sense to me."

Nora's momentum continued even after the Nuckelavee hit her. She was heading on a diagonal path upwards parallel to the building. When it hit her hammer, she was heading upwards on a diagonal path towards the buildings. That's how the physics work.

"5-....Wait. Lionheart if the headmaster of Haven. Cinder said her team was from Haven while infiltrating Beacon.

...What if Lionheart did cover them up, providing "proof" to Ozpin about her claims?

Suddenly, the question of "why not just call Haven and verify" gets instantly solved!"

That's actually a very good point. I'm kinda glad they covered this potential plot hole.