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  • Units
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    • Imperial OfficialImperial Official
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      • Siege
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    • Nest of BeesNest of Bees
    • Clocktower Nest of BeesClocktower Nest of Bees
    • Counterweight TrebuchetCounterweight Trebuchet
    • Clocktower Counterweight TrebuchetClocktower Counterweight Trebuchet
    • Clocktower Battering RamClocktower Battering Ram
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  • Buildings
      Landmarks
    • Capital Town CenterCapital Town Center
    • Barbican of the SunBarbican of the Sun
    • Imperial AcademyImperial Academy
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    • Imperial PalaceImperial Palace
    • Spirit WaySpirit Way
    • Great Wall GatehouseGreat Wall Gatehouse
      • Economy
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    • PagodaPagoda
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    • Stone WallStone Wall
    • Stone Wall GateStone Wall Gate
    • Siege WorkshopSiege Workshop
    • MonasteryMonastery
    • UniversityUniversity
      • Military
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    • Stone Wall TowerStone Wall Tower
    • KeepKeep
      • Wonders
    • Enclave of the EmperorEnclave of the Emperor
  • Technologies
      Units
    • ForestryForestry
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    • WheelbarrowWheelbarrow
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    • Specialized PickSpecialized Pick
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    • Handcannon SlitsHandcannon Slits
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    • Armored HullArmored Hull
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    • Insulated HelmInsulated Helm
    • Shaft MiningShaft Mining
    • Wedge RivetsWedge Rivets
    • Herbal MedicineHerbal Medicine
    • IncendiariesIncendiaries
    • Lumber PreservationLumber Preservation
    • Military AcademyMilitary Academy
    • DecarbonizationDecarbonization
    • Springald CrewsSpringald Crews
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    • Boiling OilBoiling Oil
    • FertilizationFertilization
    • Extra MaterialsExtra Materials
    • ExplosivesExplosives
    • Heated ShotHeated Shot
    • Lightweight BeamsLightweight Beams
    • ShipwrightsShipwrights
    • SpyglassSpyglass
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    • CupellationCupellation
    • Master SmithsMaster Smiths
    • PietyPiety
    • Platecutter PointPlatecutter Point
    • Siege WorksSiege Works
    • Cannon EmplacementCannon Emplacement
    • ChemistryChemistry
    • Crosscut SawCrosscut Saw
    • GeometryGeometry
    • Incendiary ArrowsIncendiary Arrows
    • Roller Shutter TriggersRoller Shutter Triggers
    • Silk BowstringsSilk Bowstrings
    • Tithe BarnsTithe Barns
    • Damascus SteelDamascus Steel
    • Swivel CannonSwivel Cannon
    • BiologyBiology
    • Elite Army TacticsElite Army Tactics
    • Precision Cross-BreedingPrecision Cross-Breeding
    • Serpentine PowderSerpentine Powder
    • Additional BarrelsAdditional Barrels
    • Thunderclap BombsThunderclap Bombs
    • Ancient TechniquesAncient Techniques
    • Battle HardenedBattle Hardened
    • PyrotechnicsPyrotechnics
    • Reload DrillsReload Drills
  1. Home
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  3. Technologies
  4. Extra Materials
Extra Materials

Tower & Outpost Technology

Extra Materials

Chinese

Chinese

Towers and Keeps repair nearby walls and gates for +25 health per second.

Patch History

2024-08-22 Patch 11.1.1201

Extra Materials

  • Text description now correctly describes the effect of “…repair all nearby walls for 20 health per second.”

Chinese

  • Researching Extra Materials now also grants the passive ability to the Barbican of the Sun, Greatwall Gatehouse, and Keeps (alongside Stone Wall towers and outposts).
  • The passive healing now also targets nearby palisades walls, palisades gates, and Stone Wall gates (excluding the Great Wall Gatehouse itself) alongside stone walls.

2022-04-29 Patch 14681

Balance

  • Chinese Extra Materials no longer stacks on single wall segments
  • Chinese Extra Materials now repairs all wall segments within range.

Research at

    Costs
    200gold
    75stone
    45time