3rd expansion: Deathwing (80-85) -Alliance race:
--Gilneas worgens
--Starting zones:
---(1-6) Gilneas (i)
---(6-15) Gilneas
-Horde race:
--Bilgewater goblins
--Starting zones:
---(1-6) Isle of Kezan (i)
---(6-15) Lost Isles
-Zones:
--(79-82) Sunken City
--(79-82) Mount Hyjal
--(80-84) Uldum desert
--(82-84) Deephome
--(84-85) Grim Batol highlands
--(PvP) Tol Barad
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4th expansion: Old Gods (85-90)
-Hero class:
--Demon Hunter
--Starting zones:
---(55-58) Nendis coastline (i)
-Zones:
--(84-87) Hyjal Deeps
--(84-87) Lordaeron archipelago
--(85-89) Azjol kingdom
--(87-89) Infinite anomaly
--(89-90) Underwater Cavern
--(PvP) Silithus beach
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5th expansion: Azshara (90-95)
-Alliance race:
--Naga rebels
--Starting zones:
---(1-6) Kul Tiras (i)
---(6-15) Seafloor plains
-Horde race:
--Arakkoa ancients
--Starting zones:
---(1-6) Emerald Dream Canyon (i)
---(6-15) Amani forestland
-Zones:
--(89-92) Plunder Isle
--(89-92) Tel Abim
--(90-94) Broken Isles
--(92-94) Zandalar
--(94-95) Maelstrom
--(PvP) North Isle
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6th expansion: Nightmare (95-100)
-Hero class:
--Tinker
-Zones:
--(94-97) Kezan
--(94-97) Kul Tiras
--(95-99) Emerald Dream Fields
--(97-99) Emerald Dream Forest
--(99-100) Emerald Dream Canyon
--(PvP) Emerald Dream Battlefield
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7th expansion: Pantheon (100+)
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8th expansion: Sargeras (100++)
Bonus expansion: Pandaria (1-60)
-Alliance race:
--Aqir resurgence
-Horde race:
--Pandaren empire