This page will only focus on additional features of premium version.
Upgrading from free version is as simple as replacing the old jar file with new one.
This version does not offer additional bugfixes, only features. Bug fixes are free of charge as they should be. Don't buy if you're only...
WARNING: THIS IS VERSION 0.3.6, this dude is a scam. Go to https://blackspigot.com/downloads/leader-balloons-new-models-pack-1-8-1-14-4.14524/update?update=30102 for the actual 0.3.9 version.