 He follows Claudius into his chambers in order to kill him, but stops when he sees his uncle praying; he does not want to kill Claudius while he is in a state of grace because Hamlet wants Claudius to suffer in purgatory and Claudius has just attempted to cleanse his sin through confession.A second attempt on Claudius' life ends in Polonius' accidental death.Claudius, now fearing for his life, sends Hamlet to England, accompanied (and closely watched) by Rosencrantz and Guildenstern.