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Offense Mastery Tree
DeadlinessCripplePlentiful BountyArchmage's SavvySorceryAlacrityBurning EmbersArchaic KnowledgeSunderOffensive MasteryBrute ForceDemolisherLethalityImproved RallyHavocSeason 1 Offense
Other Mastery Trees:
Spike Shield profileicon DefenseFully Stacked Mejai's profileicon Utility
Archaic Knowledge mastery 2011

Archaic Knowledge was a tier 3 Offense mastery with 1 rank.

Effect per Rank


  • Requires 8 points in Offense.
  • Requires 4 points in Sorcery mastery 2011.png Sorcery.


  • The percentage penetration from this mastery occurs after flat penetration from items/runes/etc.
  • The penetration benefits all sources of magic damage including:
    • All champion abilities that deal magic damage.
    • Items with actives that deal magic damage such as Deathfire Grasp item Deathfire Grasp.
    • Items with on-hit magic damage such as Madred's Bloodrazor item Madred's Bloodrazor.
  • Combining Void Staff item Void Staff with Archaic Knowledge only yields 49% magic pen, rather than 55%, implying % Magic Penetration scales multiplicatively.

Patch History

  • Removed due to Season 2012.
June 26, 2009 Patch

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