The arrow landed solidly, sinking into the shield. By luck, it managed to glance off the arm carrying the shield, but it wasn't quite a direct hit and only dented it. Her arm was just a bit above center due to the shape of shield tapering down in width near the bottom, meaning the center of mass was shifted up a bit.

As Gunnaya began to move down, Blithe took that as her opportunity, rushing forward  with another Burst of Speed as the birds began to attack her from the side. While the birds could be very distracting, if a bird attempted to get in front of her to peck at one of the eyeholes in her helmet while Blithe was moving flat out, it would get smacked by a very quickly moving and much heavier than it and quite unyielding force. Trusting in her armor, shield, and helm, Blithe aimed to shield rush Gunnaya before she could fire another arrow after landing. Just before Blithe expected impact, she put her free hand on her shield, twisting it so the tall shield was closer to horizontal, making the rush harder to sidestep.