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Call of Duty: Black Ops Cold War Wiki Guide.
Shockwave to the remaining variants? Click the links below to jump to: When opening the box, you will be rewarded with the D.I.E. Using your flask, interact with the box and have the flask remove the chains. Upon arriving in the Medical Bay, you will find a a small boxed covered in chains, not too far from the Particle Accelerator door. Once the flask has been filled, pick it up and make your way to the Medical Bay in the Facility. Having done so, interact with the fungus and place the flask beneath it. You will need to lure a Megaton zombie to this area and have it blast the fungus covered tree with its radio-active attack. Once you have collected the Flask, look for the nearby tree that is covered in fungus. Shoot this box and pick up the Flask that is dropped to the Pond area below. At the top, look over the edge of the building near the green tarp and you will find a box just towards the left.