Attack damage

Attack damage (AD) is a value affecting the damage a unit or champion is able to deal by increasing the damage dealt by basic attacks and abilities. While every basic attack deals damage equivalent to the champions attack damage (before applying damage modifiers), abilities scale with a percentage of the champions attack damage that can range between 0% and 1200%.

Attack damage consists of two parts: Base AD and Bonus AD.

Base AD is the portion of attack damage originating from the champion itself, consisting of a constant base value that is individual for every champion and a component granting AD on leveling up.
Bonus AD is the portion of attack damage originating from runes, masteries, abilities, aura effects and, most importantly, items.
- The sum of both Base AD and Bonus AD is called Total AD.

This differentiation is important as abilities are scaling with either bonus AD or total AD, while certain item effects are scaling with only the base AD.

This statistic stacks additively. Percentile attack damage bonuses are applied after adding up the AD granted from all additive sources.

Attack Damage has a theoretical gold value of 35 per unit. This means that B. F. Sword is the most efficient AD core item, with a gold/AD ratio of 32.5. The costs of these stats are always offset by increased final costs of their upgraded items.

Increasing attack damage

Items

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Champion abilities

Note: Only the attack damage bonus effect of these abilities is shown here, to read more information on each of these abilities, follow the link on each of them.

Alistar's Unbreakable Will increases his attack damage by 60 / 75 / 90 for 7 seconds.
Dr. Mundo's Masochism increases his attack damage by 20 / 40 / 60 / 80 / 100, increased by 1% per 1% health he is missing for 5 seconds.
Hecarim's Warpath passive gains attack damage equal to Error: Parameter '3' is not accepted. of his bonus movement speed.
Janna's Eye Of The Storm Eye Of The Storm increases an allied unit's attack damage by 14 / 23 / 32 / 41 / 50 (+ 10% AP) for 5 seconds or until the shield breaks.
Jhin's Whisper increases his attack damage by Template:Pp18 (+ 4% per 10% critical chance) (+ 2.5% per 10% bonus attack speed).
Master Yi's Wuju Style passively increases his attack damage by 10% of his attack damage when the ability is not on cooldown.
Nasus' Fury of the Sands grants him 6.375% of the damage it deals as attack damage.
Nocturne's Duskbringer grants him 15 / 25 / 35 / 45 / 55 attack damage as long as he is on the trail created by the ability.
Rammus' Spiked Shell passively increases his attack damage by 25% of his armor.
Rengar's Empowered Savagery Empowered Savagery increases his attack damage by 20% for 5 seconds.
Riven's Blade of the Exile gives 20% of her total AD as bonus attack damage for 15 seconds.
Trundle's Chomp increases his attack damage by 20 / 25 / 30 / 35 / 40 for 8 seconds.
Tryndamere's Bloodlust passively increases his attack damage by 5 / 10 / 15 / 20 / 25 plus 0.15 / 0.2 / 0.25 / 0.3 / 0.35 per 1% of his maximum health missing.
Twitch's Rat-Ta-Tat-Tat increases his attack damage by 20 / 30 / 40 for 7 seconds.
Vayne's Final Hour increases her attack damage by 30 / 50 / 70 for 8 / 10 / 12 seconds.
Zed's Living Shadow passively grants Zed 5 / 10 / 15 / 20 / 25% increased bonus attack damage.

Masteries

Natural Talent increases your champions's attack damage by 2 / 4 / 6 / 8 / 10 and ability power by 3 / 6 / 9 / 12 / 15 at level 18.

Runes

Name	Type	Tier 1 (Lesser)	Tier 2 (Normal)	Tier 3 (Greater)
Attack damage	Mark	0.53 N/A	0.74 1 Influence Point	0.95 205 Influence Point
	Seal	X	X	0.43 205 Influence Point
	Glyph	X	X	0.28 205 Influence Point
	Quintessence	1.25 N/A	1.75 1 Influence Point	2.25 1025 Influence Point
Attack Damage, Scaling (Attack Damage per level)	Mark	X	X	0.13 per level (2.43) 410 Influence Point
	Seal	X	X	0.06 per level (1.09) 205 Influence Point
	Glyph	X	X	0.04 per level (0.73) 205 Influence Point
	Quintessence	X	X	0.25 per level (4.5) 515 Influence Point

Neutral buffs

The Hand of Baron buff grants up to 40 attack power and ability power (scaling with game time) for 3 minutes.

Decreasing attack damage

Champion's abilities

Note: Only the attack damage reduction effect of these abilities is shown here, to read more information on each of these abilities, follow the link on each of them. Effects that reduces damage is not the same as decreasing a champion's attack damage.

Tryndamere's Mocking Shout reduces surrounding enemy champions' attack damage by 20 / 35 / 50 / 65 / 80 for 4 seconds.
Trundle's Chomp reduces the opponent's attack damage by 10 / 12.5 / 15 / 17.5 / 20 for 8 seconds.

List of champions' attack damage

Main article: List of champions' attack damage

The highest and lowest base damage champions
Champion Level	Top 5 champions		Bottom 5 champions
Level 1	1. Maokai	61.7395 AD	1. Orianna	38.219 AD
	2. Kalista	58.77375 AD	2. Karthus	43.77375 AD
	3. Warwick	62.945 AD	3. Miss Fortune	50.356 AD
	4. Singed	60.671 AD	4. Lulu	45.219 AD
	5. Galio	56.6025 AD	5. Thresh	54.493 AD
	4. Jax
	4. Malphite

Level 18	1. Mordekaiser	123.88 AD	1. Miss Fortune	89.728 AD
	2. Illaoi	146.6 AD	2. Kindred	116.09 AD
	3. Darius	142.6 AD	3. Vayne	96.942 AD
	4. Garen	139.74 AD	4. Orianna	80.872 AD
	5. Skarner	107.16 AD	5. Thresh	90.584 AD

Trivia

Last updated: May 16st 2016 - V6.9

At level 18, base attack damage ranges from 63 ( Miss Fortune) to 146 ( Mordekaiser).
One of the largest amount of AD any champion can obtain is 3082.1732, being a level 18 Jhin:
- Hecarim can out-class this with 9887.9107 movement speed or higher.
- Rammus can out-class this with 11867.1728 armor or higher.
Base AD: +112.5 AD
Runes: +51.75 AD
- 9 × Scaling Marks of Attack Damage (+2.43 × 9 AD)
- 9 × Scaling Seals of Attack Damage (+1.09 × 9 AD)
- 9 × Scaling Glyphs of Attack Damage (+0.73 × 9 AD)
- 3 × Scaling Quintessences of Attack Damage (+4.5 × 3 AD)
Masteries: +10 AD
- 5 points in Fury (+4% Bonus AS)
- 5 points in Natural Talent (+10 AD)
Items: +388 AD
- One of any 75–AD items: (+75 AD)
- A combination of three items of any of the following: 3 × (+65 AD, +20% Crit. Chance)
  - Essence Reaver
  - Infinity Edge
- Guinsoo's Rageblade Fully Stacked (+ 53 AD, +48% Bonus AS)
- Youmuu's Ghostblade Activated (+65 AD, +40% Bonus AS)
Buffs: +355.2819 AD
- Hand of Baron (+40 AD)
- Nunu's Blood Boil (+45% Bonus AS)
- Janna's Eye Of The Storm Eye Of The Storm with the maximum amount of ability power (+285.2819 AD)
- Nidalee's Primal Surge (+60% Bonus AS)
- Warwick's Hunter's Call (+40% Bonus AS)
- Ardent Censer (+15% Bonus AS)
- Elixir of Wrath (+30 AD)
- Zeke's Harbinger (+50% Crit. Chance)
AD Amplification: 235.92% AD
- Whisper (+144.5% AD)
- Dragon Slayer (+36% AD)
Relevant mathematics:
- Jhin's AD = (112.5 + 51.75 + 10 + 388 + 355.2819) × 3.3592 = 3082.1732 AD
  - AD Amplification = 2.47 × 1.36 = 3.3592 = 235.92% AD
  - Whisper's Increase = 40% + (100% critical chance × 0.4) + (268% attack speed × 0.25) = 147% AD
    - Crit. Chance = (3 × / 20%) + 50% = 110% critical chance
    - Attack Speed = 88% + 154% = 268% attack speed
      - Items = 48% + 40% = 88% attack speed
      - Mast. & Buffs = 4% 4% + 45% + 60% + 40% + 15% = 164% attack speed
- Janna's AP = (779.9256 + 83.16 + 105) × 2.53368 = 2452.8191 AP
  - Items = 120 × 4 + 145 + 154.9256 = 779.9256 AP
  - Runes = 1.8 × 9 + 1.8 × 9 + 3.06 × 9 + 7.74 × 3 = 83.16 AP
  - Mast. & Buffs = 40 + 50 + 15 15 = 105 AP
  - AP Amplification = 1.35 × 1.15 × 1.20 × 1.36 = 2.53368 = 153.368% AP
- Hecarim MS needed = 2966.3732 / 0.3 = 9887.9107
  - Hecarim AD needed into MS = 3082.1732 − 115.8 = 2966.3732
- Rammus Armor needed = 2966.7932 / 0.25 = 11867.1728
  - Rammus AD needed into Armor = 3082.1732 − 115.38 = 2966.7932

Champion statistics

Offensive	Ability power · Attack damage · Attack speed · Critical strike chance · Critical strike damage · Armor penetration · Magic penetration · Life steal · Omnivamp · Physical vamp · True damage
Defensive	Heal and shield power · Health · Health regeneration · Armor · Magic resistance · Tenacity · Slow resist
Utility	Ability haste · Energy · Energy regeneration · Mana · Mana regeneration Movement speed · Range
Other	Experience · Gold generation

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