Ok, so i was playing with the blitz needle in lockdown, had it charged and ready, i suddenly get pushed back a ton from a polaris shot, however, NO DAMAGE to me. The same effect happened three times during the course of the battle, but it was not always the case. Sometimes i did take damage.
Actually, you are not getting damage if you in the Guardian Shield. Because guardian absorb the shot. Unless the shield is broken. You are doom.