This is a simple plugin that allows server owners to nerf damage done by end crystals, as most people would agree that they are too powerful. The plugin allows you to enter in a percentage that the damage will be nerfed by for all players. There is also an option to nerf similar exploitations from beds and respawn anchors.
This plugin in very simple to install. Simply drop the jar file into your 'plugins' folder, start your server, edit the generated config.yml, then restart your server. Simple as that.
Support for this plugin, and all other opd02/Dolphin Development plugins can be found at our discord: https://discord.gg/Bue9G6NPWt