I Like the Idea! I'll try to add it to the server soon (Btw, I said "try" because its hard to program the detonating feature in a LIGHT WEIGHT PLUGIN. However, I'll do my best!)
Its not a bug, that's the real attack of Wither Skeleton's Ender Eye. That's why It's an expensive class so it's costs 200 gems, because its very powerful :)
This Happened because You spammed the Join Signs. However, don't worry because I'll increase the anti-sign-spam attempts before kicking and remove the annoying mini ban :)
Re: MAJOR GLITCH ON CREATIVE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Please re create one at your plot (/plotme h Farting_Hamster) So I can see how it works and find the way to stop it. Thanks :)