Sunday, 14 December 2025

Astra Malorum Easter Egg Guide Part 3 - Call of Duty Black Ops 7 Zombies


Easter Egg Guide: Part 1 -- Part 2 -- Part 3 --

Secrets: Free LGM-1 Wonder Weapon Guide --


CLICK HERE TO GO BACK TO PART 2 

Big boss man wants a word with you

Now we are ready, go to MARS and go up to where DOCTOR THURSTON'S BRAIN CANISTER is plugged into the TURRET in front of the TELEPORTER.

Interact with this to begin the FINAL ENCOUNTER or if in CO-OP, a vote will be started to progress into it or not.

Once you go into it, the PILLARS in the MARS area will start to fire their energy beams into the centre of the map above you and then explode in a sphere of energy.





You will then begin 1 of 4 phases of the boss fight, of which, the first one is saying hello to CALTHERIS.




He is a huge floating beast in the sky and is not happy about you meddling in his affairs. 

When he appears, lots of zombies will be appearing and attacking you while he fires multiple laser beams across the map at all players in the game. Try to keep moving around the map while killing the zombies and charging up these huge energy coils, until you are ready to use their stored energy against him.

This phase is the easiest to complete, as well we need to do is get zombie kills in the area. When you kill each one, you will notice their souls are going up into the left and right hand side of the map. into 2 huge coiled pylons.

These are charging up a TURRET weapon with energy that you will fire at CALTHERIS a total of 3 times. You can see how far you have got charging up the COILS, by how far along the BLUE ENERGY is, gradually working its way up from the bottom of the COIL to the top.

Once it is fully charged, there will be a flash on your screen and you simply need to interact with the machine DOCTOR THURSTONS BRAIN is attached to in order to activate the firing sequence.




When it fires it should take about a third of his health.

Rinse and repeat this process until whichever coil is the one being charged next as a soul box and repeat the firing sequence again to get him down to his last one third of energy.


He will have the exact same attack of lasers and zombies until his final one third of health is left where he will mix things up a little.

When he is nearly dead, he will start to fire lasers as well as dropped gas attacks onto the lower levels of the MARS area. 



Simply standing at least one level above the gas attacks will make you avoid them, but just be careful if falling into them as they can do a lot of damage and if you get hit with a laser while being smothered by the gas, it could be the end of your game very quickly.

Charge up the COILS on both side of the map this time around with zombie souls and activate the firing sequence one more time and it will destroy him....in his current incarnation so to speak.



What a Monstrosity!

He will then return in the second phase of the boss fight as a fairly buff monster on the ground and start chasing players around the map.

While he chases players, he will run towards you and try to swipe or punch you with his melee attack, as well as throwing large rocks at certain players that takes his fancy.




Normally he concentrates mainly one one player for a little while before switching to another when throwing the rocks and dashing towards them so be careful.

Keep moving in a circular motion around this around to keep training him in a certain pattern and distance away from you.

All you have to do here is basically keep shooting him and the GLOWING BLUE SPOTS on his body, which are his weak spots. These will be exposed the more you shoot these glowing blue points and his armour starts to fall off, revealing larger critical hit points, as the blue glow will get larger.

Third Time Lucky!

Once you destroy him again, he will then return as the same physical being, but he will be called CATHERIS ASCENDANT in this third boss phase.

He will be noticeably much much bigger than before, but all the mechanic will be pretty much the same and how to take him down. Shoot the glowing blue spots under his armour until they are exposed and when they are, focus on shooting these until he is dead.





He will have a new attack this time around which is a GROUND SLAM attack which can break your armour very quickly indeed if you do not jump when he leans back and then forward to slam the ground with such force. Make sure to jump when you see this about to happen.

Once his energy is down to zero again, he will be destroyed once more, before returning in his final flourish as boss man in phase 4.

4th times a charm

In this last phase, the boss will return again, but he will have changed his name to CATHERIS THE NEEDLE.

He will be the same as before and it will follow again the same mechanic as we have been following with the critical points etc, however the only new attack he will have or modified attack if you will, will be that when he throws the GIANT ROCKS at you.



These rocks will now be electrified with purple energy. The different between these and the previous rocks is that the PURPLE ENERGY will fall and stay onto the floor for a short period of time.



If you walk over this electrified energy, it is almost an instance down as it is an extremely powerful attack. Not to mention if the rock hits you and the energy at the same time...its pretty much good night.

Just keep doing the previous steps as before until his energy is down to zero and you will have completed the Astra Malorum Easter egg!




He will then explode and the ending cut scene will begin playing.

Thanks for reading as always.

Henry


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