With the version 1.9, mojang stopped snowballs from harming the Ender Dragon.
This plugin has only one purpose: allowing you once again to kill the Ender Dragon (and her crystals) with snowballs.
Simply put the jar file in your plugins folder and you're good to go.
Note: This plugin was written for 1.12 (but works fine for 1.12+); while 1.9 and 1.10 are supported, the plugin may not run as smoothly due to spigot internals. Slight lag may be a side-effect of this and crystals may not always explode . (Lag reduced with plugin version 1.1)
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