Grendel is bothered by the singing that comes from Heorot, so he attacks the mead-hall every night for 12 years, hoping that the singing fades away and that the hall is no longer used.
Answer:
The climax of the story is reached when Percy and Annabeth arrive on Polyphemus' island. They were forced to fight Polyphemus in order to rescue Grover and retrieve the Golden Fleece.
Explanation:
