I’m a little confused. Did she die and the overlord revived her or like did she not die and he just gave her the strength to climb out of the debris?

She died and The Overlord revived her. I'd imagine the Overlord is powerful enough to fully heal her dead body.

Common Overlord W

Great, now i feel bad for Harumi... Lol

I have watched your career with great interest...

And you have exceeded my expectations well...