Nevermore toughness scaling

I flew straight at it.

"Jaune, please don't tell me we're going to crash into it," Adam said tightly.

"Okay," I nodded. "I won't tell you. Aura Crash."

"Goddamn it!"
***
The Nevermore, apparently, had been expecting a trick, had been waiting for me to try to pull away so it could seize me. It had not expected me to collide full force with its chest—and it definitely didn't expect what I did next.

"Air Aura," I said for the first time, even as the Nevermore drew its wings around it—and me—reflexively.

And then we were falling.

I had no delusions of beating a monster that strong. My bullets did nothing and even my Aura Crash had barely hurt it.

***
I pulled away less than twenty meters from the treetops and watched as the Grimm crashed into and through them, carving a scar of destruction through once-unbroken green.
***
As I landed, I danced a step back and waited, casting my glance at the creature's HP bar. If the crash had taken twenty percent of its health away, then everything I'd just done, including the critical hit to its weak point, had caused…about five percent more, despite all it had taken out of me.