Archaic Knowledge

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Offense Mastery Tree (2011)
Other Mastery Trees:
Defense • Utility

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

Effect per Rank

• Grants 15% magic penetration.

Requirements

• Requires 8 points in Offense.
• Requires 4 points in Sorcery.

Notes

• 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.
  • Items with on-hit magic damage such as Madred's Bloodrazor.
• Combining Void Staff with Archaic Knowledge only yields 49% magic pen, rather than 55%, implying % Magic Penetration scales multiplicatively.

Patch History

V1.0.0.129

• Removed due to Season 2012.

June 26, 2009 Patch

• Added
• Tier 3 Offense mastery with 1 rank.
• Grants 15% magic penetration.