Question: how rosencrantz and guildenstern die?
Answer: When their ship is attacked by pirates, Hamlet returns to Denmark, leaving Rosencrantz and Guildenstern to die; he comments in Act V, Scene 2 that "They are not near my conscience; their defeat / Does by their own insinuation grow." Ambassadors returning later report that "Rosencrantz and Guildenstern are dead."