Call of Duty: Black Ops 4

Call of Duty: Black Ops 4

102 Achievements

1,825

229-338h

Xbox One
Xbox Series
Log in or Register to track Call of Duty: Black Ops 4 achievements progress.
Rock, Paper, Plasma

Rock, Paper, Plasma

In Voyage of Despair, kill 9 zombies via Catalytic Detonations in a single game

15

1.41%

How to unlock the Rock, Paper, Plasma achievement in Call of Duty: Black Ops 4 - Definitive Guide

I finally managed to pop this achievement today after about 5 tries on casual, wasting 2 instakills, partly not sure what to do and what counted, what did not. As mentioned above, all the times prior to popping it, I played on casual. Today I did a test run for the easter egg to practice some stuff and managed to pop the achievement, even though I did not fully commit to going for it. Let me give you an explanation of what the achievement requires you to do:

- You will have to kill either gas, water, fire or electric zombies by exploding them. This explosion can kill nearby zombies as well. You have to kill 9 zombies by causing one of the 4 elemental zombies to explode. This does not have to be done at once, although you must do so in a single game. E.g. you can kill 5 fire zombies with brain rot, each time taking down 1 additional zombie and kill 2 gas zombies with cryofreeze taking down 1 and 3 zombies with the explosion.

- You will need to repack your weapons in order to be able to cause a Catalytic explosion. Each repack can cause a different zombie to explode via a catalytic explosion.

Fire zombies ->> Brain Rot
Water zombies ->> Killowatt
Gas zombies ->> Cryofreeze
Electrical zombies ->> Fire bomb


I personally find brain rot the easiest, as I could clearly see a white bubble appear when the catalytic occurred.

Note: The elemental zombies can explode with any weapon, though note that the achievement requires CATALYTIC explosions and not any explosion caused by these zombies.
33
0

01 Nov 2018 14:43

7 Comments
I just unlocked this without trying on casual using brain rot.
0
0
By AKAGreenway on 01 Nov 2018 23:40
That is odd as I never managed to pop it on casual. Maybe it was glitched in the past but the recent update fixed it
0
0
By Itzz Sh0wt1m3 on 01 Nov 2018 23:44
I can confirm that it does indeed work on casual. I had it bug out on me a couple of times too I think before the major 10gb patch.
0
0
By Lord Dracus on 04 Nov 2018 11:29
All right, thanks. Updated the solution
0
0
By Itzz Sh0wt1m3 on 04 Nov 2018 13:24
Nice guide, this is easy if you know which PAP upgrade affects which zombie. I would suggest double packing as soon as possible and killing whatever elemental zombies your gun is good against. I got this done on round 14, it could easily be done much earlier.
0
0
By LordSmorc on 20 May 2019 18:32
Thank you so much!
0
0
By Im Vincyo on 05 May 2021 10:47
When you say ‘repack’ your weapon it might be worth noting in brackets or something that you have to pap your weapon twice as I didn’t know how to do it even watching videos. I only stumbled across a comment that you had to pap twice in order to get this cheevo....oh btw am playing it on a different profile steralc1882
0
0
By beerthirst on 14 Dec 2018 23:51
View all 7 comments Show less comments
A Catalytic Detonation occurs randomly when you shoot a Catalyst zombie with a gun that has the "opposite" elemental effect via repacking it. The Catalyst zombies and their opposites are as follows:
 
  • Water: Kill-O-Watt
  • Fire: Brain Rot
  • Electric: Firebomb
  • Poison: Cryofreeze
By the time you've packed and repacked a weapon, Catalyst zombies should start spawning. Now you'll need to wait for the one matching the effect on your gun. When you see one, start training zombies and when you've got a decent group with the Catalyst, shoot it and hope that the explosion occurs, if it does you should take out a good number. Now just repeat until you've killed 9 zombies with the explosions in total, you don't have to get 9 kills with one explosion.

If you have enough points before you get the achievement you should pack and repack a second gun to get a different effect, meaning you'll have twice the chance of getting a catalyst you need to spawn. It should be noted that you'll want a relatively weak gun (i.e. not a shotgun/explosive) as the more bullets you can put into an enemy, the more likely at least one of them will trigger the detonation. The Electric or Poison zombies are probably the easiest to do this with, as the water zombie often runs away from you and the fire one tends to explode for other reasons.
0
0
You need to kill a special zombie and have it kill 9 other zombies with its explosion (not at the same time)
It is worth considering that you need to kill a special zombie with a weapon that has a perk improvement for a specific zombie.
Electric Zombie - Fire Bomb
Poison Zombie - Cryofreeze (ice)
Fire Zombie - Brain Rot
Water (Ice) - Kill-o-watt (electro)


In principle, when you make Easter eggs for quests, this trophy will drop automatically, since in any case you will improve your weapon several times.
2
0

28 Dec 2018 09:59

1 Comment
From the elemental kraken also counts
0
0
By fedik on 24 Jul 2021 17:36