Deus Ex Mankind Divided: beat the final boss without killing him [PS4 - Xbox One - PC]
In this guide we see how to defeat the final boss of Deus Ex Mankind Divided using non-lethal attacks.
Don't forget to also consult the complete guide and tricks card of Deus Ex Mankind Divided for other useful guides on this game.
take out Viktor Marchenko in one shot, the only thing you will need is one grenade EMP or an EMP mine. Mines work best for this purpose because the boss cannot avoid the explosion.
After he gets hit by the EMP pulse you can crawl to him without being seen and then attack him with a melee sneak attack, it only takes one hit to KO him. The boss always moves on the same path, so it will be enough to place the mine in the right place, hide somewhere and wait for it to fall there.
You will find an EMP mine upstairs on the left side, or you can craft one with the appropriate blueprint, but remember that the EMP Grenade is fine too. It works on any difficulty, if you want to watch the following video to see exactly how:
This will also eliminate the final Boss of Deus Ex Mankind Divided without triggering alarms. This is essential if you want to unlock the "Pacifist" and "Light Footer" trophies.