As mentioned below , the Alien Hunters DLC also gives you weapons to help mitigate the Rulers , although they ' re still tough as ballsSpoilers below ! So , if you ' re not aware the big boss aliens get to act after every single action . So while there ' s good vanilla things you can do to fight them thanks Kill Zone the DLC items are sort of tailormade to helpAxe Replaces the sword . You get a throw axe ability , one use per mission . Doesn ' t take an action so no ruler counteraction . Bowcaster Chance to stun . Stunning a ruler means he doesn ' t take actions until stun wears off . Frost Grenade Basically same as above . You freeze a dude in place , and he can ' t take actions until the effect is gone . No damage , but guaranteed freeze . Pistol Doesn ' t counter the multiple actions thing , but it adds a pistol shot ability which has 100 % chance to hit . Save it for viper binds or archon drops . Viper armor Grapple ability doesn ' t take an action , allows you to move without triggering the boss . Also gives a freeze ability with a cooldown , see above for benefits . Rage armor Gives a movethenpunch attack . Less damage than slash , but I don ' t believe it costs an action , giving you an ability to move . These are on top of the counters that come with the base game .