Personality. Percy is good-natured, friendly, brave, and willing to risk his life to save his friends, strangers, and even his enemies. He is angered by Thalia Grace because their personalities are similar, they argue even though they are good friends. Percy has a sarcastic sense of humor and is funny in his writing.
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A,b,d,a i believe are the awnsers
Wander...
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Obvious answer