Deus Ex: Mankind Divided

Deus Ex: Mankind Divided

64 Achievements

100-120h

GOG
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Ruthless Efficiency

Ruthless Efficiency

Fully upgrade a weapon of your choice.

9.5%

How to unlock the Ruthless Efficiency achievement in Deus Ex: Mankind Divided - Definitive Guide

Easiest way to get this is to upgrade the Stun Gun or Tranq Rifle. Both only take 3 upgrades to the Magazine Size and a laser targeting attachment to the side rail to finish.

*If you try another weapon, know that attachment slots do count toward fully upgrading.
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26 Aug 2016 08:08

5 Comments
Can confirm you need the attachments. Got mine on the 10mm pistol, cheevo popped when I put the silencer on after already having the laser sight and crafting upgrades .
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By Good Detective on 26 Aug 2016 22:27
Also confirm attachment needed. I did the achievement on my Tranquilizer Gun though. It also only needs 3 upgrades, on the magazine size.
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By on 27 Aug 2016 00:33
updated, thanks guys
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By C M0NET on 27 Aug 2016 00:35
The attachment needs to be bought or found. I got mine from the vendor in Jensons apartment complex.
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By Calex dEUS on 31 Aug 2016 21:11
For anyone wondering how to upgrade the ammo capacity:
Select your weapon of choice in your inventory.
Press cn_Y to examine.
Press cn_Y again to customize.
Then scroll down to ammo capacity and spend some crafting parts to upgrade your gun.
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By No Parasite on 29 Aug 2016 08:17
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PART 61: Ruthless Efficiency Achievement or Ruthless Efficiency Trophy. We'll need to completely upgrade a weapon. Let's take advantage of New Game + again and select the Stun Gun at the beginning of the campaign. We can buy crafting parts from the vendors in the video and then go to the vendor by Adam's apartment. We'll need to buy the laser sight upgrade and use crafting parts to upgrade the ammo capacity. This will unlock the Ruthless Efficiency Achievement or Ruthless Efficiency Trophy.

This playlist is a complete guide to every achievement or trophy in Deus Ex: Mankind Divided. Continue not killing anyone or triggering any alarms on this first play through.

We'll be working toward the following campaign Achievements or Trophies in our first playthrough.


Check out the rest of the playlist here
https://www.youtube.com/playlist?list=PLB5C_3KoqicrCJSMTjBk8...
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14 Oct 2016 21:50

The cheapest and easiest weapon to max out is the Stun Gun. It has only one attachment slot and only the ammo capacity must be upgraded. For the attachment slot you can either buy or find a laser sight attachment.
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03 Sep 2016 19:58

Weapons can be upgraded with attachments such as Scopes & Silencers that are found in the game or purchased from vendors, and whereas weapon damage/clip ammo/accuracy can be upgraded using crafting parts. Hold while highlighting a weapon in your inventory to bring up the upgrade screen, max out any specs available for upgrade and equip the attachments that are applicable to unlock this. An easy one is the Tranquilizer Rifle which only needs the Laser Targeting System and clip ammo upgrades.

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The fastest way to earn this achievement is by fully upgrading the Stun Gun. You have the opportunity to receive it during the start of Mission 1, or you can hack into the weapons locker at TF29 to get one. There is no penalty for hacking into the weapons locker...you work there after all.

It'll take around 550 crafting materials to upgrade the ammo capacity, and you will need a laser sight attachment as well. This attachment can be bought from the weapons vendor in Jensen's apartment complex or found through open world exploration.

Once you have the necessary materials, open your inventory and tap twice while hovering over the Stun Gun to customize it. Attach the laser sight, upgrade the ammo capacity three times, and the achievement will unlock.

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The easiest way to improve a tranquilizer pistol.
Select a weapon in the inventory, press
To improve you will also need to buy a laser designator.

We save, buy and hang the laser, get the trophy, load.
The laser center itself is useless.
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25 Aug 2016 12:15

4 Comments
It's even easier to upgrade the Destroyer Shotgun ; it can be found in the basement of the police station during the third visit to Prague (side mission 11, save Samizdat)
For this weapon there is only one parameter for improvement - Lethal force
Will need to improve about 3 times
A total of 480 parts will be required
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By EduardoElrick on 09 May 2017 14:16
I got on trunk. rifle.
preserved. Ltsu installed and improved the magazine capacity below for about 500 parts. The trophy instantly fell out.
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By KENTby on 13 Sep 2016 12:14
It didn't work for me, probably because I installed version 1.3. I had to fully bleed the tranquilizer gun.
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By Atreyu on 07 Sep 2016 03:22
The laser is sold on the second floor of the Adama residential complex, costs 1200 denyushki.
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By SxTy969 on 01 Jul 2022 02:11
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For those lucky ones like me, who have completed the game several times and still haven’t found the LCC (laser designator).

It can be found here https://www.youtube.com/watch?v=v2shCcC2g0o
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13 Jan 2018 15:59