BossAnnouncement

A plugin that can show changing messages in the EnderDragon/Wither boss bar.

Setup

The plugin gives you several options of how you can configure the texts that appear

Configuration	Explanation
head-message	When no changing messages are defined, this message is always shown
changing-messages	An array of changing messages
change-speed	Seconds how fast the changing-messages will change
mode	Mode 0: see the bar in every world; Mode 1: see ONLY in the worlds in the array; Mode 2: DON'T see in worlds in the array
worlds	An array of the level names in which the mode configuration applies

Poggit download/information:

This plugin uses the apibossbar virion