Just a though,
"/chsay Say <a href="text://<a href='chatcmd:///chsay /gdisband'>Awesome Blade</a>">[Fatality Blade Of Death]</a>" Would make the person say "/gdisband" in say, and not actually execute it.
/chsay Say <a href="text://<a href='chatcmd:///guild leave'>SERIOUSLY DON'T DO IT!!!</a>">DO NOT CLICK HERE!!!!</a>
Will make people leave their guilds when they click it. Its best to spam it in aquilonia or cimmeria ( the main channels ) Replace the first "Say" with the channel name you want to broadcast it to.