- 80 ability power = 1740
- Combining Devastating Strikes yields 38.9% magic penetration, rather than 41%, because percent magic penetration stacks multiplicatively.
- The same is true for armor penetration with Devastating Strikes and .
- The 35% magic penetration from becomes more effective the more magic resist the enemy target has on them. Ranging from 30 magic resist to 200 magic resist, the magic penetration increases damage from 8% to 30%.
- This item has an AD counterpart which is the .
- Percentage Magic Resist penetration stacks multiplicatively with others champions percentage Magic Resist penetration abilities.