Polydectes believs that the most valuable treasure he could have in the world woild be the gorgons's head, preferably Medua
In Perseus, by Edith Hamilin our heros story begins to feel threatened per say, by his mother potientally becoming a bride to the furious king of his homeland Polydectes. The hero Persues sets out to accomplish this goal to bargain with the KIng for his mothers hand.
Perseus being the con of Zeus initially, give him that he is negligent to. Therefore, when he sets out to accomplish his goal at hand, Zeus children, Hermes and Athena, decided to aid him with knowledge of the land ahead and the proper resources to be victorious.
In the text the author chooses mention that Perseus most likely did encounter despair be for properly innagurating himself with his half-siblings ,but the events are not specified. He did journey to the Oracle of Delphi to learn how to locate Medusa/the gorgons lair ,but the trip was unsuccessful. Then, when Peresues sought out the grey women and cleverly bargains the location of Medusas lair for the recieval of their eyebal, which he managed to wrangle away.
Medusa's lair, when he trips and falls in the gorgon's cave, leaving himself vulnerable, and how he can only look at Medusa through her reflection in his shield.Perseus kills Medusa by carefully getting up after falling while looking at her reflection and skillfully slicing off her head.In Perseus's case, his reward is Medusa's head. He cuts it off and stuffs it in a bag. Perseus starts the journey home.
Perseus received the ultimate reward for completing this journey, he basically receives everything he wants. Firstly, his mother is not forced to marry a tyrant who desires her for her physical features only, but also he was able to rescue a fair maiden that embedded himself into his mind on the voyage and eventually marry her.
Its understood that the ressurection of Perseus would be the killing of his paternal grandfather by Medusa, whilst being at the ball which frees his mother.