|"You belong in a museum!"
|Offense Mastery Tree|
|Other Mastery Trees:|
|Defense · Utility|
- Grants 10% magic penetration.
- Requires 8 points in Offense.
- Requires 4 points in Sorcery (Deprecated template: use Mi1 to Mi6.).
- Arcane Knowledge is very useful to champions who focus on doing magic damage, but keep in mind that percent magic penetration factors in after percentage magic resist reduction, flat magic resistance reduction, and flat magic penetration.
- Season Two
- Season Three