Orianna Ability (LoL): Command: Dissonance

Orianna commands her ball to emit an electric pulse, dealing 70 / 120 / 170 / 220 / 270 (+70% of ability power) damage to units around it. Afterwards, the ball leaves a field behind for 3 seconds that speeds up allies and slows enemies for 2 seconds for 30 / 35 / 40 / 45 / 50% movement speed.