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Ability power (AP) is a stat that boosts the effects of some items, abilities, and runes. Those effects receive a bonus proportional to the ability power of the champion. For example, if a champion has 50 ability power and one of his spells deals 100 (+20% AP) damage, the damage of the spell is 110. The spell descriptions in the game do not show that percentage, they show the resulting bonus. The description of the spell in this example would show the damage of the spell as 100 (+10).

Every champion starts with 0 ability power, and level-ups do not grant additional ability power.

Ability power can be increased with items, abilities and runes, it stacks additively, and each bonus point acquired directly affects its statistic.

Gold Value ​​: Ability power has a gold value of Gold 21.75 per point.

Ability power as scaling

Many champion abilities use the champion's ability power to calculate the magnitude of that ability.

The following 18 champions do not have Ability power icon ability power ratios on any on their abilities: Aatrox OriginalSquare Aatrox, Camille OriginalSquare Camille, Darius OriginalSquare Darius, Draven OriginalSquare Draven, Garen OriginalSquare Garen, Kalista OriginalSquare Kalista, Kayn OriginalSquare Kayn, Kindred OriginalSquare Kindred, Kled OriginalSquare Kled, Olaf OriginalSquare Olaf, Pyke OriginalSquare Pyke, Riven OriginalSquare Riven, Sett OriginalSquare Sett, Talon OriginalSquare Talon, Urgot OriginalSquare Urgot, Vayne OriginalSquare Vayne, Xayah OriginalSquare Xayah, Zed OriginalSquare Zed.

Items

Runes

Neutral buffs

Increasing ability power

Items

Item Cost Amount Availability
Aether Wisp item Aether Wisp850 Gold30All maps
Amplifying Tome item Amplifying Tome435 Gold20All maps
Archangel's Staff item Archangel's Staff3200 Gold50Summoner's Rift
Archangel's Staff (Quick Charge) item Archangel's Staff (Quick Charge)3200 Gold50Howling Abyss
Ardent Censer item Ardent Censer2300 Gold60All maps
Athene's Unholy Grail item Athene's Unholy Grail2100 Gold30All maps
Banshee's Veil item Banshee's Veil3000 Gold75All maps
Blasting Wand item Blasting Wand850 Gold40All maps
Bulwark of the Mountain item Bulwark of the Mountain400 Gold25Summoner's Rift
Dark Seal item Dark Seal350 Gold10Summoner's Rift
Doran's Ring item Doran's Ring400 Gold15Summoner's Rift
Fiendish Codex item Fiendish Codex900 Gold35All maps
Frostfang item Frostfang400 Gold15Summoner's Rift
Orb of Winter item Guardian's Orb950 Gold35Howling Abyss
Guinsoo's Rageblade item Guinsoo's Rageblade3100 Gold25All maps
Haunting Guise item Haunting Guise1500 Gold35All maps
Hextech GLP-800 item Hextech GLP-8002800 Gold80All maps
Hextech Gunblade item Hextech Gunblade3400 Gold80All maps
Hextech Protobelt-01 item Hextech Protobelt-012500 Gold60All maps
Hextech Revolver item Hextech Revolver1050 Gold40All maps
Liandry's Torment item Liandry's Torment3100 Gold75All maps
Lich Bane item Lich Bane3200 Gold80All maps
Lost Chapter item Lost Chapter1300 Gold40All maps
Luden's Echo item Luden's Echo3200 Gold90All maps
Luden's Pulse item Luden's Pulse3200 Gold120All maps
Mejai's Soulstealer item Mejai's Soulstealer1400 Gold20Summoner's Rift
Morellonomicon item Morellonomicon3000 Gold70All maps
Nashor's Tooth item Nashor's Tooth3000 Gold80All maps
Needlessly Large Rod item Needlessly Large Rod1250 Gold60All maps
Murksphere item Oblivion Orb1600 Gold20All maps
Rabadon's Deathcap item Rabadon's Deathcap3600 Gold120All maps
Rabadon's Deathcrown item Rabadon's Deathcrown3600 Gold175All maps
Relic Shield item Relic Shield400 Gold5Summoner's Rift
Rod of Ages item Rod of Ages2600 Gold60Summoner's Rift
Rod of Ages (Crystal Scar) item Rod of Ages (Quick Charge)2600 Gold60Howling Abyss
Magus item Runic Echoes1500 Gold80Summoner's Rift
Rylai's Crystal Scepter item Rylai's Crystal Scepter2600 Gold90All maps
Seeker's Armguard item Seeker's Armguard1100 Gold20All maps
Seraph's Embrace item Seraph's Embrace0 Gold50Summoner's Rift
Seraph's Embrace item Seraph's Embrace (Quick Charge)0 Gold50Howling Abyss
Shard of True Ice item Shard of True Ice400 Gold45Summoner's Rift
Spellbinder item Spellbinder2900 Gold120All maps
Spellthief's Edge item Spellthief's Edge400 Gold8Summoner's Rift
Targon's Buckler item Targon's Buckler400 Gold10Summoner's Rift
Twin Shadows item Twin Shadows2400 Gold70All maps
Void Staff item Void Staff2650 Gold70All maps
Zhonya's Hourglass item Zhonya's Hourglass2900 Gold75All maps
Zhonya's Paradox item Zhonya's Paradox2900 Gold100All maps

Specific to Viktor OriginalSquare Viktor

Champion abilities

Runes

Neutral Buffs

Decreasing ability power

Champion abilities

Trivia

  • The ability with the largest AP ratio is Annie OriginalSquare Annie's Summon- Tibbers Summon Tibbers, with a maximum AP ratio of (+ 515% AP) counting initial cast of (+ 65% AP) and the target taking damage from all 45 ticks of Tibbers OriginalSquare Tibbers aura damage ((+ 10% AP) per tick).
  • The second and third bounces of Nami OriginalSquare Nami's Ebb and Flow Ebb and Flow scale exponentially, however the low base ratio means it will not beat other spells at normal levels of AP.

Last updated: January 30, 2019, patch V9.2


Last updated: January 30, 2019, patch V9.2

Relevant mathematics:

  • Items = Amplifying Tome item 20 + Prototype Hex Core item 1 = 21 AP
  • Runes = Absolute Focus rune 5 + Waterwalking rune 5 + Rune shard Adaptive Force 18 + Kleptomancy rune Kleptomancy (Elixir of Fortitude item 10 + Travel Size Elixir of Sorcery item 25) = 63 AP
    • AP = (21 + 63) = 84 AP
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