Just after hanging up, you can encounter the final battle in this mission. Head to the 2nd flooring to collect some ammunition — they will come in handy during the impending fight. Be attentive and cautious, as zombies will appear endlessly right up until you defeat the most crucial mutant. https://jaredilkdw.blogolenta.com/30936031/an-unbiased-view-of-call-of-duty-black-ops-6-gameplay-walkthrough-campaign