Astral Horizon PvP God Roll Destiny 2. Astral Horizon is a Kinetic energy, Aggressive frame shotgun. You should get Astral Horizon Shotgun because it is an absolute monster in PvP. This gun has some insane perks to help us kill our targets from a distance despite being a shotgun. Aggressive Frame shotguns have a circular pellet pattern and gain an increased rate of fire with each kill. Astral Horizon is obtained by purchasing directly from Saint-14 in the Tower Hanger with the new focused decoding system. All you need to do is play Trials of Osiris until you have enough engrams to purchase it directly.