Here's why it's significant:
* First Major Confrontation: This is the first major battle Percy faces in the book, showcasing his newfound powers and fighting abilities.
* Revelation of the Conspiracy: The battle exposes Ares' involvement in the conspiracy to frame Percy for stealing Zeus' lightning bolt.
* Clarification of Percy's Role: The fight solidifies Percy's role as a demigod and his importance in the quest to find the stolen bolt.
* Climax of the Chapter: The chapter builds to this confrontation, creating suspense and tension.
* Introduction of Ares' Character: The reader is introduced to the intimidating and cunning nature of Ares.
Overall, the fight with Ares in Chapter 11 is a pivotal moment in the story, escalating the plot and setting the stage for further challenges Percy will face in his quest.