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Deadliness (Season One Mastery)

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Offense Mastery Tree (Season One)
DeadlinessCripplePlentiful BountyArchmage's SavvySorceryAlacrityBurning EmbersArchaic KnowledgeSunderOffensive MasteryBrute ForceDemolisherLethalityImproved RallyHavocOffensetree
Other Mastery Trees:
Defense · Utility
Deadliness mastery s1
Deadliness was a tier 1 offense mastery with 3 ranks.

Effect per rank

  • Increases your champion's critical strike chance by 0.66 / 1.33 / 2%.


  • This mastery was great for champions that desired critical strike chance, primarily AD carries.

Patch History


  • Removed.


  • Redesigned.


  • The mastery Deadliness should now properly display its name in its tooltip.

June 26, 2009 Patch:

  • Increases critical strike chance by 0.66% per rank for 3 ranks.

Other versions

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