Years of combat training caused Lena's reflexes to kick in before her mind could process what was happening. The dizzy spell pushed her over the edge of her fight or flight instincts activating as she took hold of the hand on her shoulder.
In one quick, fluid movement, she made to throw the owner of the hand over her shoulder before they could decide what their next move would be. The shift in weight and balance it took to do this for the princess was no different than flicking her wrist. Whoever touched either did not anticipate the reaction or needed to be more skilled in quick reflective combat than the princess, as it took little to no effort to unbalance them. The thud and grunt on impact was the tell that proved this.
