Maleficent clawed at an Orc, and tumbled him into the water, landing near the dwarves under the bridge. Flying at another, she gave a kick at it before it could reach Legolas. Ducking from a hatchet being thrown, she just noticed a Morgul shaft being aimed at Kili, who appears to be trying to reach a ladder. Knowing that his life was at stake, she gave a mighty push to the leading orc, but didn't stop the arrow from being released.