With this add-on you can gain 1 experience bottle for every 1 xp level you have.
The add-on is very clear and simple.
Drag and drop and play, it's that simple.
Code (Text):
# English Language File for BottlePlugin
only_players: "&cOnly players can use this command!"
no_permission: "&cYou don't have permission to use this command!"
usage: "&cUsage: /bottle <amount>"
invalid_number: "&cPlease enter a valid number!"
positive_number: "&cPlease enter a positive number!"
not_enough_xp: "&cYou don't have enough XP levels! You have &e{current} &clevels but need &e{required} &clevels."
success: "&aSuccessfully converted &e{amount} &aXP levels to experience bottles!"
inventory_full: "&eYour inventory is full! The bottles have been dropped on the ground."
bottle_name: "&6Experience Bottle"