Harry Potter/sekiro crossover: due to plot reasons Harry's encounter with an strange and withered japanese man has gifted him the ability to resurrect immidately after being killed which the side effect of destroying the horoux within him, but also start the spread of a deadly disease called "Dragon's Rot" as the more the he dies and resurrects the greater and farther does the disease spread. Now having to fight Voldemort as well find a cure for a virus that has the potential of wiping out magical britian Harry is in a race against time with only his trusted friends and companions at his side.