Server Maintenance is currently taking place for North American Realms on WoW Classic, where players noticed two new Hardcore Realms have appeared, Skull Rock and Defias Pillager. The realm names are a clear nod to two notoriously dangerous areas for Horde and Alliance players on the Hardcore Journey.
Two New Hardcore Realms for NA Classic Era
Other regions will likely see what their realm names are during scheduled maintenance, when realms are updated to Patch 1.14.4.