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Ancient
Ancient Radiant model
Ancient Radiant model
Ancient Dire model
Unknown Unit iconUnknown Unit icon
Building
4500
+12
This unit has no mana.
Level 1
Armor Armor 23
Magic Resistance 0%
Collision Size 314.73/389.96
Bound Radius 298.73/373.96
Vision Range (G) 2600
Bounty Gold 0
Experience 0
Abilities Backdoor Protection icon Backdoor Protection
Sentry Ward ability icon True Sight
Notes Ancient minimap icon Minimap icon
Intern
npc_dota_goodguys_fort
npc_dota_badguys_fort


This article is about the two Ancients on either side of the map, and the main objective of the game. For other uses, see Ancient (disambiguation).
Main Article: Ancients (Buildings)

Abilities[]

Backdoor Protection
Backdoor Protection icon
Ability
Passive / Aura
Affects
Self
Structure takes reduced damage, and quickly regenerates any damage taken while no enemy creeps are nearby.
Tier 2 Tower Search Radius: 900
Ancient Search Radius: 4000
Heal per Second: 180
Damage Reduction: 50%
Protected Illusion Damage Reduction: 75%
Reactivation Delay: 15
Aura Linger Duration: 0.5
Buff/Debuff
Modifiers [?]
modifier_backdoor_protection
Undispellable
modifier_backdoor_protection_in_base
Undispellable
modifier_backdoor_protection_active
Undispellable

  • Each Backdoor Protection search radius functions independently of the other.
    • The Ancient has a 4000 search radius, granting Backdoor Protection to all buildings inside the base, excluding the Fountain.
    • Since the buildings within the base are based on the Ancient's search radius, they lose Backdoor Protection at the same time as the Ancient.
  • The unit detection is aura-based. If an enemy lane creep enters the search radius, the Backdoor Protection for that building is automatically disabled.
    • The aura's effect lingers for 0.5 seconds, so the total reactivation delay is effectively 15.5 seconds.
  • Grants the following effects to the protected building while active:
    • Self-heals 18 health in 0.1 second intervals upon any damage instance.
    • Only heals from enemy damage sources, ally damage dealt (e.g. from denying) is not healed. It is possible to destroy protected buildings by dealing more than 270 damage per second (before reductions).
    • Applies generic incoming damage reduction on the building. Affects all damage types the building takes that is not flagged as HP removal.
      • Stacks additively with other sources of generic incoming damage manipulation.
    • Applies a unique incoming damage reduction with the incoming damage reduction of Reinforced icon Reinforced.
      • Stacks multiplicatively with other sources of unique incoming damage manipulation. Therefore, it further reduces the incoming damage from the following units while Backdoor Protection is active:
      • EXPR
        • Against illusions attack damage: IllusionDamageDealt × 0.1
        • Against illusions spell damage: SpellDamageDealt × 0.25
        • Against summons and Dominated creeps: AttackDamageDealt × 0.225


True Sight
Pierces debuff immunity.
Sentry Ward ability icon
Ability
Aura
Affects
Enemies
Adds the ability to see invisible units and wards to any allied vision within the structure's range.
Radius: 900
Aura Linger Duration: 0.5
Buff/Debuff
Modifiers [?]
modifier_tower_truesight_aura
Undispellable
modifier_truesight
Undispellable

  • Grants unobstructed True Sight within 900 radius regardless of the building's actual vision.
    • All effects are granted by an aura and its debuff lingers for 0.5 seconds.


Reinforced
Can be used by illusions. Not disabled by Break.
Reinforced icon
Ability
Passive
Reinforced Units and Buildings Deal Bonus Damage to other Reinforced Units and Buildings and take less attack damage from other units.
Attack Damage Bonus Against Reinforced Units: 50%
Hero Attack Damage Reduction: 50%
Non-Hero Attack Damage Reduction: 30%
Piercing Attack Damage Reduction: 65%
Player-Controlled Units Attack Damage Reduction: 10%
Illusions Attack Damage Reduction: 60%
Buff/Debuff
Modifiers [?]
modifier_creep_siege
Undispellable

  • If a non-hero unit has a piercing attack, it is only affected by the attack damage reduction against piercing attacks, and not by the reduction against non-hero units.
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