Do it with flare - One Page Rules Writing Jam #5 submission

With the furless invaders closing in, Hunt Master Nubia assigns an unpopular Jackal to the Nomad warband lead by Saqqara in the wake of one of their number's recent loss. But when scrap rifle fire and carnivore fury isn't enough to penetrate a walking man-machine monstrosity's armour... How will the last of Anu IV's Scrap Seeker Tribe's people survive the day much less then next few hours?