Verified for patch 16.8.1

Damage Amp

Description

Multiplicative bonus to all damage dealt — distinct from raw AD/AP because it applies after the type-specific scaling.

Also known as: damage amplification, amp, amped damage

What enables Damage Amp

Traits (3)

  • Sniper On the Menu
    Snipers gain Damage Amp, increased against targets farther away.
    
    (2) 18%; +2% per hex
    (2) 18%; +2% per hex
    (2) 18%; +2% per hex
  • Stargazer On the Menu
    Stargazers chart a different constellation every game. This game: The Medallion.
    
    (3) Allies in empowered hexes gain 12% Damage Amp, which increases by 6.5% for each 3-star ally.
    
    More hexes reveal at each player level
  • Voyager On the Menu
    Combat Start: Your Tanks gain a Shield for 15 seconds. Your other allies gain Damage Amp. 
    
    Voyagers gain double.
    
    (2) 175 Shield; 9%

What scales with Damage Amp

Champions (1)

  • 4 Kindred On the Menu
    Passive: Attacks and Abilities mark the target. When an enemy reaches 3 marks, Wolf consumes the marks, dealing ? Attack DamageAbility Power physical damage. 
    
    Active: Jump up to 1 hex away and fire arrows at the nearest 3 / 3 / 5 targets, each dealing 115 / 175 / 900 Attack Damage physical damage. 
    
    N.O.V.A. Strike: Gain 5% Damage Amp. Now and every 5 seconds after, add a mark to all enemies.

Completed items (3)

  • Giant Slayer On the Menu
    • +15% AD
    • +15% AS
    • +15 AP

    Gain 15% additional Damage Amp against Tanks.

    B.F. SwordRecurve Bow
  • Striker's Flail On the Menu
    • +150 HP
    • +10% AS
    • +20% Crit

    Critical Strikes grant 5% Damage Amp for 5 seconds, stacking up to 4 times.

    Giant's BeltSparring Gloves
  • Titan's Resolve On the Menu
    • +20 Armor
    • +10% AS

    Gain 2% Attack Damage and 2% Ability Power when attacking or taking damage, stacking up to 25 times. At full stacks, gain 10% Damage Amp and gain immunity to crowd control.

    Chain VestRecurve Bow

Radiant items (3)

    • +30% AD
    • +30% AS
    • +30 AP

    Gain 30% additional Damage Amp against Tanks.

    • +300 HP
    • +20% AS
    • +40% Crit

    Critical Strikes grant 10% Damage Amp for 5 seconds, stacking up to 4 times.

    • +40 Armor
    • +20% AS

    Gain 4% Attack Damage and 4% Ability Power when attacking or taking damage, stacking up to 25 times. At full stacks, gain 20% Damage Amp and gain immunity to crowd control.

Artifacts (2)

  • Sniper's Focus On the Menu
    • +20% AD
    • +20% AS
    • +20 AP
    • +3 Mana Regen

    Gain 40% Damage Amp against targets 4 or more hexes away.

    • +450 HP
    • +20% AD
    • +20 AP

    After 22 seconds gain 100% max Health and 120% Damage Amp for the rest of combat.

Graves items (1)

Augments (10)

Prismatic (1)

  • Your team gains 2.5% Damage Amp and 4 Armor and Magic Resist for each Bronze-tier trait.

Gold (5)

  • Ascension On the Menu
    After 12 seconds of combat, your team gains 35% Damage Amp.
  • Your team gains 2.5% Damage Amp for each Bronze-tier trait.
  • Your team gains 8% Damage Amp. 80% of overkill damage is dealt to the nearest enemy as magic damage.
  • Glass Cannon II On the Menu
    Allies that start combat in the back row begin combat at 80% Health but gain 25% Damage Amp.
  • Gain a Giant Slayer. Giant Slayers gain their Damage Amp against all enemies instead of just Tanks.

Silver (4)

  • Your team gains 5% Damage Amp. 50% of overkill damage is dealt to the nearest enemy as magic damage.
  • Find Your Center On the Menu
    Your champion that starts combat in the center of the front row gains 15% Damage Amp and 25% max Health.
  • Glass Cannon I On the Menu
    Allies that start combat in the back row begin combat at 80% Health but gain 16% Damage Amp.
  • After 12 seconds of combat, your team gains 20% Damage Amp.