Level System

1. Set features.level-system return true, reload adddon (/bw xpwars reload or /bw reload)
2. Configure it
3. Make per arena settings (optional)
4. Do /bw xpwars reload or /bw reload
5. Edit shop file (every item must have only price without price type, but there will be no errors with it)
6. You can test it using /bw xpwars open <shop file name> [player]
7. Find all bugs and fix em xd
8. Enjoy

Showcase (kinda outdated)