level sth up
— phrasal verb with level usuk/ˈlev.əl/verb [ T ] -ll- or US usually -l-
to increase or improve something so that it is as good as something else:
This approach has levelled standards up across the sector.
(in computer games) to get more skills, etc. for a character in a game by winning points :
Here are all the tips and tricks you need to know on how to level up your characters quickly.