Diana Ability (LoL): Pale Cascade

Diana creates three orbiting spheres for 5 seconds that explode on contact, each dealing 18 / 30 / 42 / 54 / 66 (+18% of ability power) magic damage, up to a max of 60 / 96 / 132 / 168 / 204 (+54% of ability power) damage.

Diana also gains 45 / 60 / 75 / 90 / 105 (+30% of ability power) (+9% per bonus health) shield for the same duration. When the last sphere detonates, she gains an additional 45 / 60 / 75 / 90 / 105 (+30% of ability power) (+9% per bonus health) shield and refreshes the duration.