The Lightning Thief Chapter 20

1. Why does Percy will himself to get soaked in the water?
 
 He gets himself wet because he thought that if the Cost Gard pulled him up and he was dry... that would be weird, because he isn't wet.

2.Ares says that the most kind of  fight is when relatives fight,Why would this be the most vicious kind of fight?  
 
Ares says that the most kind of  fight is when relatives fight because " it is the bloodiest kind"

3. Why does Percy begin to suspect that Ares wasn’t acting alone – that he was taking orders from someone?
 
Percy starts to suspect that Ares wasn’t acting alone when Ares goes it to a trance and the starts talking to himself.

4. Which failures does Ares point to when he says Percy “doesn’t have what it takes”? Is this a fair criticism? Why or why not?
 
No, because Ares is going to say that to everyone because Ares is the God of War.

5. What deal does Percy make with Ares.
 
Percy and Ares' deal is... that if Ares wins he can turn Percy into anything and if Percy wins he can take the Helm and the Master Bolt.

6. How does Percy’s ADHD keep him alive in the fight?
 
Percy's ADHD keeps him alive because Percy feels awake, and can see everyone around him.

7. What strategy does Percy use to beat Ares?
 
Percy uses his water powers Proxy-Connection: keep-alive
Cache-Control: max - age = zero to knock down Ares and the hurts him.

8. After Percy wounds Ares, something strange happens that makes Ares back off. What is it?
 
Time slows down and then Ares stops. 

9. Why is important that the Furies witness Percy’s battle?
 
So that they will not "TRY" to fight Percy.

10. At the end of the chapter, what does Percy decide he must do to complete the quest?Percy feels he must return the Master Bolt, back to New York