Ashes of the Damned is a new quest in Call of Duty: Black Ops 7 Zombies. The Serum Puzzle is one of the major objectives. Many players are confused, but once they grasp the steps, they are easy. You can build and upgrade with the help of this guide.
Solve the Serum Puzzle in Ashes with simple directions and easy methods. Even if you haven’t played BO7 Zombies before, you can still finish it.
Step 1 – Start the Objective
After you switch on the electricity and finish your main tasks, the puzzle starts. You will be told to gather three serum samples by a character. This indicates the official start of the mission. You have to build and make changes. To move forward in the story, one needs to solve the Serum Puzzle in Ashes.
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Step 2 – Find the Three Serum Samples
On the map, you’re able to go to three separate labs. You need to pick up the serum container from each one. Discovering the rooms is not difficult, but while you are looking, zombies will strike. Go fast. Stay alert. Don’t waste time.
A lab, a medical room, and a research area are typically within these places. After choosing the samples, put them back in the mixer. This allows you to keep growing and updating. Complete the Ashes Serum Puzzle without further delay.
Step 3 – Take the Samples to the Mixer
Move to the main blending machine now. Put all three of the collected serums inside. The puzzle then grows more dynamic. You must protect the station as the zombies get more powerful. Continue to move and stay out of the way.
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If you’d like to build and improve. Try to have a powerful weapon accessible before starting the process of mixing so that you may complete the Serum Puzzle in Ashes without failing.
Step 4 – Charge the Consoles
Three of the room’s consoles are going to turn on as the mixing starts. You must hit them in the proper order. The step restarts if you select the wrong button. To figure out the order, observe the lights.
New gamers often get lost in this part. Take the opportunity and pay particular attention to the pattern. To develop and update, this stage is vital. Complete the Serum Puzzle in Ashes without mistakes.
Step 5 – Defend the Area
As you progress through the console puzzle, zombies are going to appear in huge waves. Make use of powerful weaponry, grenades, and traps. While having partners is useful, solo players can still win if they move well. To avoid missing the step, stay near the mixer. To effectively finish this task, correctly positioning is important.
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Step 6 – Collect the Finished Serum
Grab up the done processed serum after the mixing is finished. Now that the mystery has been solved, the main mission is ongoing. The Easter egg stages can now be completed. There is a feeling of accomplishment and growth after this task is finished.
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The serum challenge may appear difficult, but once you get through the stages, it becomes simple. Collect samples, mix them, complete the process with optimism, solve the console sequence, and survive the fight. You may quickly and effectively create and improve. Complete the BO7 Zombies Serum Puzzle in Ashes with the help of this guide.

