How to connect to league shitpost chatroom with thunderbird v2

Thunderbird->Chat button-> Create a new account -> XMPP
Username: account name, what you use to log in
Password: input AIR_yourpassword
Domain: pvp.net
Alias: AFAIK it doesn't matter what you input here, but i put my inserver username IE: Invocanabos
Click the xmpp options drop menu so you can input more shit
Connection security: Use encryption if avalaible
Server: chat.euw1.lol.riotgames.com
Port: 5223

Hit next and let it connect, it should work if you did everything right. Now onto the chatrooms

Once you're connected go back to the main thunderbird window and hit join chat. Dont do this from the properties window, do it from here

Room: you need to input pu~ followed by the hash of the chatroom name. /vg/ is pu~487400275f880cdfbeed927c2ddf9a174464f614
Server: lvl.pvp.net
Nick: leave as your account, should be already be there
Password: Leave it empty