In the latest update to the Burning Crusade Classic Public Test Realm, Patch 2.5.4.42581 had an update to the «ManifestInterfaceData» Database. There, multiple lines of updates refer to «Interface_Wrath» which is likely referring to blue buttons in Wrath of the Lich King's login page.Wrath of the Lich King Login screen with Blue Interface Buttons Near the end of Wrath of the Lich King, World of Warcraft peaked at 12 million subscribers, right before the launch of Cataclysm.
Wrath also had a very consistent 11 million subscribers throughout the entire expansion and is looked back on as one of the best expansions for WoW. Releasing Wrath of the Lich King Classic is considered by many to be a no-brainer and what would be a better time to release a product centered around Arthas, when his story has reached its final conclusion in Shadowlands? Wrath of the Lich King Classic would likely release later this year or early 2023 and these files in the Burning Crusade 2.5.4 update all but confirm it.
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