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Reveal the position of all enemy Kings to your team for a few seconds. The Kings appear on the mini-map as a flashing X.
—In-game description
spy on enemy kings
—In-game non-extended description
Warning: Traitors have revealed your king's location to the enemy!!!
—In-game alert

Treason is a technology in Age of Empires II available at the Castle. Once researched, it reveals all enemy and neutral Kings for a short duration of 10 seconds, and their location at that time is shown as explored through the fog of war. It is only available in the Regicide mode and replaces the Spies technology. Treason is not already researched in Post-Imperial matches. It is the only technology in the game to have only a temporary effect and be researchable multiple times. It is researched almost instantly.

Treason is one of the most important technologies in Regicide games as it tells players where to mount their offensives and allows them to plan ahead. Note that a player will be informed if their King's location has been revealed with Treason

Trivia[]

  • Treason is a crime against the state. In the context of the Middle Ages, treason is closely linked with kings since most governments in the Middle Ages were monarchies.
  • Apart from advancing through the Ages, Treason is the only technology not to be affected by the Chinese civilization bonus, which reduces the cost of all other technologies (including Spies).
  • Treason is not a true technology, as it behaves like an active ability similar to those in Age of Empires IV. It is researched (activated) instantly. It can be used more than once. Instead of having a cooldown, it has a resource cost attached to it.
  • If an enemy player has multiple Kings, researching Treason reveals only the first King of that player (first by placement when the map was created or spawned via triggers).
Technologies in Age of Empires II
Economic technologies
MaleVillDEFEMALEVILLDE VillagerWheelbarrowDE Wheelbarrow · HandcartDE Hand Cart
Aoe2de food FoodHorseCollarDE Horse Collar · HeavyPlowDE Heavy Plow · CropRotationDE Crop Rotation
GillnetsDE Gillnets
Aoe2de wood WoodDoubleBitAxe aoe2DE Double-Bit Axe · BowSawDE Bow Saw · TwoManSawDE Two-Man Saw
Aoe2de gold GoldGoldMiningDE Gold Mining · GoldShaftMiningDE Gold Shaft Mining
CaravanDE Caravan
Aoe2de stone StoneStoneMiningDE Stone Mining · StoneShaftMiningDE Stone Shaft Mining
Civilian shipsDryDockDE Dry Dock · ShipwrightDE Shipwright
Market aoe2DE MarketCoinageDE Coinage · BankingDE Banking
GuildsDE Guilds
Military technologies
GeneralConscriptionDE Conscription
HeresyDE Heresy · Devotion icon AoE2DE Devotion · FaithDE Faith
Melee unitsForging aoe2de Forging · IronCastingDE Iron Casting · BlastFurnaceDE Blast Furnace
CavalryBloodlinesDE Bloodlines · HusbandryDE Husbandry
ScaleBardingArmorDE Scale Barding Armor · ChainBardingDE Chain Barding Armor · PlateBardingArmorDE Plate Barding Armor
InfantrySuplliesicon Supplies · AoE2 Gambesons Gambesons · SquiresDE Squires · ArsonDE Arson
ScaleMailArmorDE Scale Mail Armor · ChainMailArmorDE Chain Mail Armor · PlateMailArmorDE Plate Mail Armor
Ranged unitsBallisticsDE Ballistics · ChemistryDE Chemistry
FletchingDE Fletching · BodkinArrowDE Bodkin Arrow · BracerDE Bracer
ArchersPaddedArcherArmorDE Padded Archer Armor · LeatherArcherArmorDE Leather Archer Armor · RingArcherArmorDE Ring Archer Armor
ThumbRingDE Thumb Ring · ParthianTacticsDE Parthian Tactics
SiegeSiegeEngineersDE Siege Engineers
ShipCareeningDE Careening · DryDockDE Dry Dock
ShipwrightDE Shipwright
WarGalleyDE War Galley
BuildingTownWatchDE Town Watch · TownPatrolDE Town Patrol
Masonry aoe2de Masonry · ArchitectureDE Architecture
HeatedShotDE Heated Shot · ArrowSlitsDE Arrowslits · MurderHolesDE Murder Holes · TreadmillCraneDE Treadmill Crane · HoardingsDE Hoardings · BombardTower aoe2DE Bombard Tower
HerbalDE Herbal Medicine
MonkRedemptionDE Redemption · AtonementDE Atonement · SanctityDE Sanctity · FervorDE Fervor · IlluminationDE Illumination · BlockPrintingDE Block Printing · TheocracyDE Theocracy
MaleVillDEFEMALEVILLDE VillagerLoomDE Loom · SapperDE Sappers
Miscellaneous technologies
SpiesDE Spies · SpiesDE Treason · UniqueTechCastle-DEUniqueTechImperialDE Unique technologies
Removed/cut generic technologies
Bombardcannonresearch Bombard Cannon · CannongalleonresearchDE Cannon Galleon · Cartography aoe2de Cartography · Handcannon Hand Cannon · Huntingdogs Hunting Dogs · Revetments · TrackingDE Tracking
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