| Defense Mastery Tree|
|Other Mastery Trees:|
|Offense • Utility|
Effect per rank
- Increases your bonus armor and magic resistance by 2.5 / 5 / 7.5 / 10%.
- Since this mastery applies to items, owners of , , etc. profit from this mastery.
- Due to how this mastery only scales with bonus armor and magic resistance, champions who gain large amounts of armor and magic resist from their abilities, such as , , and , gain the most benefit from this mastery.
Effect on items
- This shows the effects of that mastery combined with finished armor and magic resistance items. It is listed by efficiency. The first items on the list will be more affected by this mastery than the lasts.