1.Laertes is a good swords man,so Claudius arranges a duel between them.
2.Hamlet gets the "unbated" sword so in case Hamlet wounds Laertes it wont be as severe
3.Laertes has his sword dipped in poison which will kill anyone if it gets into their blood stream.Which means that if Hamlets gets wounded he would die.
4.Claudius has a poison drink waiting for Hamlet if he gets thirsty during the duel.
2.Hamlet gets the "unbated" sword so in case Hamlet wounds Laertes it wont be as severe
3.Laertes has his sword dipped in poison which will kill anyone if it gets into their blood stream.Which means that if Hamlets gets wounded he would die.
4.Claudius has a poison drink waiting for Hamlet if he gets thirsty during the duel.