Allies to player character
Will I take friendly fire from allies, units summoned through a tear, or possessed enemies?

If I will take friendly fire, what is the AI behavior when they are firing and I am in their line of sight? Do they stop firing when I am in their line of sight? Or should I try to avoid getting in their line of sight to avoid them shooting me? Is damage dealt to me by allies 100% of the normal damage or is it reduced?

Player character to allies (including units summoned through a tear and possessed enemies)
I've noticed that possessed automatons will take reduced damage. How does this work? By how much are damage to possessed enemies or allies reduced? Will allies (not necessarily possessed enemies) take full damage from the player? Will Vigors still help deal bonus damage to allies?

Question by @Alex: Will summoned/possessed enemies turn hostile if you shoot them?

Enemies to each other
Can (non-possessed, but allied) enemies deal damage to each other? How does this work? Do the they deal full damage to each other? Do some enemies exhibit 'Doom-style' infighting behavior?

  • Suggested addition: Will summoned/possessed enemies turn hostile if you shoot them? I think the latter will but can't recall. Not sure about summoned allies.
    – Alex
    Commented Apr 10, 2013 at 8:49

1 Answer 1


Allies to Players

I can confirm that I've been shot by my own possessed Patriot before. Enemies were in front of us, the Patriot was behind, and they were stunned with Shock Jockey. Then, I started to take a bunch of damage. So, from what I've seen, you do take damage from your allies. This is most prevalent when you're talking about any AOE effect enemies, like enemies with RPGs.

Players to Allies

The first turret I was able to possess, I unloaded on with a pistol. It wasn't taking damage from anything else, since all the enemies were dead. I unloaded three magazines into the thing, more then enough to kill it five times over. It's health bar didn't move. I've done this to Patriots as well with similar results. I think this is a safe-guard to exploit the Possession vigor from being a one-stop kill for Patriots and the like. This way, your stray bullet's don't 'break' the possession when you don't want them to, but you can't use it to kill anything outright.

Enemies at Each Other

There are times, later in the game (without revealing spoilers) where you might have multiple types of enemies fighting each other. When this happens, they will fight each other and do normal damage. Hence, I've seen one faction having a Patriot and gunning others down. If you get involved, the side you starting shooting at will take interest in you and focus you instead.

  • RE: Enemies at each other. Have any info for non-possessed, but allied enemies? (editing my question to reflect this) Commented Apr 10, 2013 at 11:32
  • Yes. My last entry in that states this. I didn't take into account possessed targets, since it happens a bunch in the last half of the game. Commented Apr 10, 2013 at 13:54

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