What it is:
* A method of instantaneous communication: Iris-messages are like telegrams but much faster, delivering messages nearly instantly across vast distances.
* Summoned through a magical device: A bronze coin is used to summon the goddess Iris. The coin is usually thrown into a pool of water.
* A manifestation of the goddess Iris: Iris appears as a rainbow, sometimes taking on the form of a woman with wings of rainbow feathers.
* Limited to spoken messages: The message must be spoken to Iris. Writing a message is not possible.
* Can be monitored: The gods can listen in on Iris-messages, making them potentially dangerous for demigods.
In the book:
* Percy uses Iris-messaging to contact his mother: He throws the bronze coin in a fountain and speaks to Iris, asking her to deliver a message to his mother.
* The gods use Iris-messaging to communicate with each other: This helps them coordinate their plans and strategize.
* The Olympian gods use Iris-messages to monitor demigods: This shows how the gods are constantly watching and controlling their demigod children.
Significance:
* Illustrates the god's power: It shows the gods' ability to communicate instantaneously and influence events.
* Creates tension and urgency: The knowledge that the gods are listening adds a level of danger and suspense to the story.
* Helps advance the plot: The use of Iris-messaging allows Percy to communicate with his mother and allies, furthering the story's progression.
Overall, the Iris-messaging system in *The Lightning Thief* is a unique and powerful tool that helps create a dynamic and intriguing world for the characters to navigate. It adds a layer of magic and tension to the story, making it more engaging and exciting for readers.