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Deadliness (Season Two Mastery)

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Offense Mastery Tree
Summoner's Wrath (Season Two Mastery)Brute Force (Season Two Mastery)Mental Force (Season Two Mastery)Butcher (Season Two Mastery)Alacrity (Season Two Mastery)Sorcery (Season Two Mastery)Demolitionist (Season Two Mastery)Deadliness (Season Two Mastery)Weapon Expertise (Season Two Mastery)Arcane Knowledge (Season Two Mastery)Havoc (Season Two Mastery)Lethality (Season Two Mastery)Vampirism (Season Two Mastery)Blast (Season Two Mastery)Sunder (Season Two Mastery)Archmage (Season Two Mastery)Executioner (Season Two Mastery)Offensetree2
Other Mastery Trees:
Defense · Utility
Deadliness mastery s2
Deadliness is a tier 3 offense mastery with 4 ranks.

Effect per rank

  • Increases your champion's attack damage by 0.125 / 0.250 / 0.375 / 0.5 per level.


  • Requires 8 points in Offense.


  • This mastery is strongest on AD carries.
  • It also unlocks Lethality mastery s2.png Lethality if maxed.

Patch History


  • Removed from game.


  • Effect changed to 0.5 Attack Damage per level (9 Attack Damage at champion level 18) at 4 points from 4% Critical Strike Chance.


  • Redesigning of masteries.

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