Detail
40-45 (Blizzard clarification via Wowhead/Icy Veins, wiki, Warcraft Tavern guide) vs 40-55 (Icy Veins leveling-dungeons article, Warcraft Tavern BlizzCon news, Output Lag, Mobalytics) vs 35-40 (MMO-Champion recap). Resolved: Blizzard says 40-45.