Currently, players can't see how long they need to wait until the cooldown or recharge time of their wand expires (when they can use it again). It would be nice if there was some kind of indicator for this.

Possibly helpful resources:

• https://www.spigotmc.org/threads/tutorial-colored-action-bars.31158/
• https://www.spigotmc.org/resources/actionbarapi-1-8-1-14-2.1315/
• https://www.spigotmc.org/resources/action-bar-health.2661/

This will require quite some time for research and implementation.