BioShock Infinite

BioShock Infinite

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Sergeant-at-Arms

Sergeant-at-Arms

In CitC, got a kill with each weapon and vigor (except Bucking Bronco).

15

How to unlock the Sergeant-at-Arms achievement in BioShock Infinite - Definitive Guide

To get the achievement you'll have to get a kill with 21 different weapons/vigors (except Bucking Bronco).


Weapons
Sky-Hook
Broadsider Pistol
Triple R Machine Gun
China Broom Shotgun
Bird's Eye Sniper Rifle
Barnstormer RPG
Huntsman Carbine
The Pig Volley Gun
Paddywhacker Hand Cannon
Peppermill Crank Gun (You can get the Crank gun on the 11th wave on the OPS Zeal arena by killing the patriot.)
Vox Huntsman Burstgun
Vox Triple R Repeater
The Vox Pig Hail Fire
The Heater

Vigors
Possesion
Devil's Kiss
Murder of Crows
Shock Jockey
Charge
Undertow (You have to kill them with undertow. If they fall of the map it does not count.)
Return to Sender
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30 Jul 2013 23:28

20 Comments
thank you for the great solution! ^^
the shock jockey was my last missing kill... i use this vigor many times and thought i already killed someone with this vigor, but nope... probably because it doesn't deal much damage.
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By Kugare on 31 Jul 2013 21:43
you also might want to mention that you have to get a kill with undertow by it being the kill. knocking someone off a ledge with it will not count as a kill with it.
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By SedateRial on 01 Aug 2013 05:15
As SedateRial Stated You Need To Kill With Undertow By Hitting Them With Water Until They Die, It Doesn't Count If The Fly Over The Edge.
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By xDevilsMagiic on 01 Aug 2013 08:59
Guess it wasn't tracking the kills on the Crank gun. So I had to redo a kill with the crank gun.
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By A Batwoman on 01 Aug 2013 16:42
Can't get the kill with Undertow facepalm I voted positive because it is a great solution. I only need to get this Undertow kill wink
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By ThomsenWilli on 02 Aug 2013 04:06
is this achievement cumulative?
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By ConfideValkyrie on 02 Aug 2013 07:13
or does it all have to be done in any set of 15 waves?
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By ConfideValkyrie on 02 Aug 2013 07:59
It is cumulative.
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By My Name is BaRt on 02 Aug 2013 18:16
How do you kill someone with Return to Sender? Does it reflect bullets or something?
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By ClaytThaGreat on 16 Aug 2013 08:27
You need to charge it. When you charge return to sender it will catch bullets from your enemies. After you got enough bullets aim at an enemy and release it.
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By My Name is BaRt on 16 Aug 2013 18:13
Wow, for the longest time I didn't know where the Heater was. Right below the fracking shotty. It was the only one I was missing.
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By Grim 0 on 16 Aug 2013 19:31
Great solution, quick question: Do you have to deal entire damage with the weapon/vigor or is it just the final blow?
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By MugenKairo on 12 Oct 2013 09:05
Just the final blowsmile
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By My Name is BaRt on 12 Oct 2013 17:39
Thumbs up from me!
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By Dan vasNormandy on 21 Jan 2014 03:18
ah this f'n sucks and I am dumb. I wasted almost 2 hours trying to get this and in the middle of the 4th time going through the list I could not figure out which one I missed before I realized I had already gotten it. Great solution.
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By McAtee MADNESS on 28 Mar 2014 19:03
Tip for the shock jockey kill use the trap! Wave 10 on the last area its all melee guys, just keep running backwards throwing traps!
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By Vr English on 25 Apr 2014 11:43
Thanks for the list!
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By Dune Mentat on 22 May 2014 14:19
I went through this list multiple times before it finally popped with the Hail Fire. That gun may have issues detecting kills, so if you are stuck I'd try that.
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By VegaDark541 on 20 Jun 2015 04:06
Thanks, I was only missing the Crank gun and never considered it.
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By on 28 Aug 2015 10:50
Thanks for mentioning the Crank Gun
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By Sensei Neo on 15 Aug 2018 14:42
View all 20 comments Show less comments

This trophy is pretty self-explanatory. There are 21 weapons and Vigors that you are required to kill an enemy with for this trophy, they are:

Weapons

  • Burstgun
  • Carbine
  • Crank Gun (must be picked up from a Motorized Patriot)
  • Hail Fire
  • Hand Cannon
  • Heater
  • Machine Gun
  • Pistol
  • Repeater
  • RPG
  • Shotgun
  • Sky-Hook (either a melee kill or a Sky-Line Strike will suffice)
  • Sniper Rifle
  • Volley Gun


Vigors

  • Charge
  • Devil's Kiss
  • Murder of Crows
  • Possession
  • Return to Sender
  • Shock Jockey
  • Undertow


This trophy may well come naturally as you're playing through the maps but if you need to farm it, then just go to OPS Zeal and kill the soldiers in the first couple of Waves. They are very weak and will die quickly. You are given 4 of the Vigors (Undertow, Possession, Devil's Kiss and Bucking Bronco) on the display stand that's to your left when you first load the DLC, along with an un-upgraded Pistol (already in your possession) and a Shield Infusion which is found on the counter directly in front of you. All other weapons and Vigors are available at the start of the DLC in the Armoury in-between Waves but you must buy four of the Vigors from the Veni! Vidi! Vigor! vending machine, which are Charge, Murder of Crows, Return to Sender and Shock Jockey.

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Video guide
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01 Aug 2013 10:03

2 Comments
Undertow should not be thrown down, but pounded against the walls until it reclines. I spent 2 days understanding this fact)
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By nnovzver on 07 Dec 2020 20:36
To complete this you will need all the energy drinks. All you need to do is kill at least one regular soldier with each weapon and energy drink. In the arsenal in front of the waves are all the guns except the “ Crank Gun ” - the weapon of the mechanical patriots. On any of the maps we pick him up from the corpse and kill the soldier.
You also need to use energetics to kill the enemy, and not just use them on him. That is, the final units of health must be removed by an energy drink. The exceptions are “ Possession ” and “ BuckingBronco ”. In the case of “ Possession ” we simply hypnotize the enemy and that’s it, and in the case of “ Bucking Bronco ”, it is enough to simply kill the enemy who is under the influence of this energy drink.
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By Jmuric on 08 Jul 2014 06:54
Total 21 points.

  • Sky-Hook
  • Broadsider Pistol
  • Paddywhacker Hand Cannon
  • Triple R Machine Gun
  • Vox Triple R Repeater
  • China Broom Shotgun
  • Bird's Eye Sniper Rifle
  • Barnstormer RPG
  • Huntsman Carbine
  • The Pig Volley Gun
  • The Vox Pig Hail Fire
  • Vox Huntsman Burstgun
  • The Heater
  • Peppermill Crank Gun ~ Patriot machine gun.
And energy.

  • Possession
  • Devil's Kiss
  • Murder of Crows
  • Shock Jockey
  • Charge
  • Return to Sender
  • Undertow ~ opponents thrown off the map are not counted, you need to literally “slam” your opponent into the wall using this energy drink.
The achievement is cumulative, but after each kill with a different weapon or energy drink, you need to save the game, in the hall after Chapter 15, or by leaving manually, in the arsenal, approaching the closed gate.
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01 Sep 2013 10:38