You can now set your levels by how much experience per level in levels.yml
You need to enablet his feature in config.yml
Code (Text):
# If false use formula
# If true use levels.yml
use-levels: 'true'
Example levels.yml
Code (Text):
48 #The first number is how much experience needed to unlock level 1
64 #The next number is much experience you need to get to the next level
128