Shaman weapon chain (The Tempest's Weapons): the level it opens is unclear

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Shaman weapon chain (The Tempest's Weapons): the level it opens is unclear. Icy Veins and wowforevernews call it a level-30 quest that follows the Air totem quest; Wowhead lists Elemental Aid at level 33 and Heed My Call and The Tempest's Weapons at level 40 (elite). The first step of the five-quest series and whether the beta level-30 cap blocks the last steps are not yet confirmed. Icy Veins wrote 'Ragefire Chasm' for RFK; Wowhead and wowforevernews say Razorfen Kraul (Charlga Razorflank).