Quote Originally Posted by Jojoya View Post
The other thing to do is set up the 4th chat log window so only game messages are displayed and disable all sound notifications for chat. That way you can switch to the 4th window and you won't even see the Hellos or any other message sent your way.
That's counterproductive for the base reason to want an invisible mode, which is to go in without people seeing you enter (so they don't say hi, requiring you to either respond or seem rude by ignoring them).

Setting up your chat filter to ignore them by default is not the solution here.