Wiktionary
levels up
vb. (en-third-person singular of: level up)
Usage examples of "levels up".
In a Security post five levels up a warning message flashed up on a screen.
He lived simply, some would say frugally, in his rooms eight levels up from where he now waited.
Commander Ottey, Shandin Ross, and two other security officers Cass didn't know were already in the infirmary two levels up.
The lowest pipes were about shoulder height on Torin, the highest disappeared into darkness two or three levels up.
Why else would they want to keep anyone from investigating the water levels up here?