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Age of Empires Series Wiki
Age of Empires Series Wiki

Double Broadax is a technology in Age of Empires IV that can be researched at the Lumber Camp, Ger, and various landmarks starting in the Feudal Age. Once researched, it increases Villagers' gathering rate for Wood by 15%. The Knights Templar do not have access to this technology, instead gaining an automatic +20% gather rate increase per Age.

Civilization bonuses[]

  • Abbasid Dynasty: Research speeds are +15%/+20% faster while Golden Age tiers 2/3 are active. If Preservation of Knowledge has been researched, this technology costs -20%.
  • Ayyubids: Research speeds are 25% faster while Golden Age tier 2 is active
  • Byzantines: Research speeds are 30% faster per water level at buildings within the influence of a Cistern with the Dialecticus ability active.
  • Chinese and Zhu Xi's Legacy: The technology researches 150% faster when the Lumber Camp is supervised by an Imperial Official. For Zhu Xi's Legacy, this can be improved to 300% faster after researching Regional Inspection.
  • Delhi Sultanate: The technology is free, but takes 3.5x as long to research (157.5 seconds instead of 45 seconds).
  • French and Jeanne d'Arc: Economic technologies are 35% cheaper.
  • House of Lancaster: This technology is 15% cheaper if King's College has been constructed.
  • Malians: Technologies take less time to research based on how much gold has been obtained through trade.
  • Mongols: Can research the improved technology for another 500 stone to grant an additional 20% gather rate (+35% total).

Changelog[]

  • Originally, the base research time for the Delhi Sultanate was 5x default (225 seconds). With update 8324, this was reduced to 3.5x default.
  • Originally, the Mongols' Improved Double Broadax provided an additional 5% gathering rate (for a total bonus of 20%). With Season Two Update 17718, it provides an additional 7.5% gathering rate (for a total bonus of 22.5%). With update 15.1.6970, all improved wood gathering technologies were merged into Improved Double Broadax to provide +20% additional gather rate (+35% total), and the additional stone cost was increased from 150 to 500.
  • Originally, Double Broadax cost 75 food, 175 gold and took 75 seconds to research. With update 24916, it costs 50 food, 100 gold and takes 45 seconds to research. The additional stone cost of the Mongols' improved version was subsequently reduced from 250 to 150.

Campaign version[]

Because the campaigns have not been rebalanced since the release of the game, Double Broadax has different stats there:

  • It costs 200 gold and takes 75 seconds to research.
  • The Mongol improved version costs +200 stone and increases gather rate by an additional 5% (for a total bonus of +20%) only.
Technologies in Age of Empires IV
Economic technologies
Wood Forestry ยท Double Broadax ยท Lumber Preservation ยท Crosscut Saw
Food Horticulture ยท Fertilization ยท Precision Cross-Breeding
Gold/Stone Specialized Pick ยท Shaft Mining ยท Cupellation
Hunting Professional Scouts ยท Survival Techniques
Fishing Extended Lines ยท Drift Nets
Villager Wheelbarrow ยท Textiles
Relic Tithe Barns
Military technologies
Melee damage Bloomery ยท Decarbonization ยท Damascus Steel
Ranged damage Steeled Arrow ยท Balanced Projectiles ยท Platecutter Point
Melee armor Fitted Leatherwork ยท Insulated Helm ยท Master Smiths
Ranged armor Iron Undermesh ยท Wedge Rivets ยท Angled Surfaces
Ship (General) Armored Hull ยท Shipwrights
Archer ship Extra Hammocks ยท Heated Shot
Incendiary ship Incendiaries ยท Explosives
Springald ship Springald Crews ยท Swivel Cannon ยท Mounted Guns
Siege (General) Siege Engineering ยท Greased Axles ยท Siege Works
Siege (Specific) Geometry ยท Adjustable Crossbars ยท Roller Shutter Triggers ยท Lightweight Beams
Miscellaneous Spyglass ยท Biology ยท Elite Army Tactics ยท Incendiary Arrows ยท Chemistry ยท Serpentine Powder ยท Silk Bowstrings
Religious units Piety ยท Herbal Medicine
Building-specific technologies
Emplacements Arrowslits ยท Naval Arrowslits ยท Springald Emplacement ยท Cannon Emplacement ยท Fortify Outpost
Miscellaneous Boiling Oil ยท Court Architects ยท Military Academy
Removed technologies
Season Three Update Additional Sails ยท Navigator Lookout ยท Extra Ballista ยท Chaser Cannons