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

WoW Classic, The Ancient Gaming Noob

WoW WotLK Classic: Ruby Sanctum Release Date – When Will…

Ruby Sanctum now available on US servers - MMO-Champion

Timeline (World of Warcraft) - Wowpedia - Your wiki guide to the World of Warcraft

I think Dragonsoul drought is a scape goat of Cataclysm, as it was shorter than ICC, as well as shorter prepatch to MoP. : r/classicwow

How World of Warcraft Was Made: The Definitive Inside Story of Nearly 20 Years of Development

upload.wikimedia.org/wikipedia/commons/thumb/3/39/

Icecrown Citadel & Ruby Sanctum 25HC Release Tommorow 18:00 Server Time! : r/wowservers

World Of Warcraft - The Ruby Sanctum 25 man,heroic mode (Mage pov)