World of Warcraft community Manager kayvax announced that as many worlds as possible will be connected in the next few days. The connection will occur during regular maintenance of the system. The post mentioned a lot of areas that are likely to be linked, as some areas have a low population. You can see the list of regions below. The kingdoms of Muradin and Nordrassil will join the kingdoms of Azjol-Nerub, Black rock, and Khaz-Modan. Of the Kingdom of Dreadmaul and Thaurissan will join the Kingdom Frostmourne. The circle of Senarion and the sisters of the realms of Elune will join the Blackwater raiders and the shadow Council realms. The edge of the blade and a Thunderous horn will join Agamaggan, to Archimonde, Burning Legion, Jaedenar, the Kargat, Norgannon and underground gods. Also, Blizzard has released information about the accompanying app for managing adventures in Shadowlands, you should definitely check it out while waiting for the release of a new extension.