There are also other streamers in the event (and before that). Some of the lan-seats are for streamers. These are the one's we know. You can use grailquest -tag if you stream from the event or you have the logo/banner in place. Our Twitch-community is https://www.twitch.tv/communities/grailquest.
If you are not in this list and would like to, send message to GG_Ville in Discord.