Not Today

Needs Legends of the Dead, and it's exactly what it sounds like: catch the Black Death on purpose, then live. Game rules: Plague Frequency to Doomsday, Black Death allowed at any point. Build a survivor (Herculean, Strong, Temperate work well), take the Medicine focus and Whole of Body perks, and employ the best Personal Physician alive. When an outbreak lands, go and catch it - raising an army with yourself as general stationed in an infected barony is the highest-odds method. Then either recover naturally, or take the physician's risky treatment when the event fires (it must come within a year - fire and rehire the physician if it's being shy). Both recovery routes count.