World of Warcraft: The Ruby Sanctum Announced for 3.3.5 — MMORPG.com Forums

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When does Ruby Sanctum release in WoW WotLK Classic? - Dot Esports

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Ruby Sanctum, the Final Raid of WotLK, Releases January 11 - Warcraft Tavern

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Ruby Sanctum now available on US servers - MMO-Champion

March, 2023