(The angel could have accomplished both feats.)

( okay, I just couldn't think of what to use)
She grabs him and flies out the whole

The flight back takes around an hour, and Ethan is hovering on the edge of consciousness.

She goes as fast as possible

When she arrives, a researcher sees them, and recognizes Ethan.
He runs off, and soon returns with a gurney and a pair of nurses, and rush Ethan to the infirmary.

She follows them
If someone tries to stop her, she growls
If they still try to stop her, she throws them against a wall and continues on
Even if they attack her

(So, has she taken a liking to Ethan?)
None of the scientists stop her.

( maybe, maybe not)
She just follows them

A scientist turns to Luna, and says, "We need some of your mana."

" fine. "
She seems very uncomfortable saying that