Dying in a dream rarely predicts anything literal -- it far more often marks the end of a chapter, a relationship, or an identity you're outgrowing, with all the fear that can come from letting go of something familiar. What dies in the dream is usually a clue to what's actually ending in waking life.
Jupiter conflicts with those who are ruled by Mars, and Mars conflicts with those ruled by Jupiter. - Picatrix (Andalusia, ~1000.AD)