After settling their plans, Kahn said goodbye to Azula and immediately set off for the Eastern Air Temple on Four Directions, giving Ozai no chance at all to discover him.
As for Zuko and the others, he could only leave it to Azula to pass on the news.
Azula cleaned up the traces Kahn had left in the palace. Before long, Ozai urgently summoned her and informed her of the shocking news that Kahn had defected.
In Ozai's account, however, Kahn had turned traitor because Ozai had discovered his secret collusion with the traitor Iroh. He had been planted beside father and daughter to do them harm. As Ozai spoke, he even produced several pieces of evidence, claiming they were letters from Kahn's secret correspondence with Iroh.
The handwriting on the letters did indeed seem to belong to Kahn. Their contents contained no particularly crude remarks belittling Ozai or Azula, merely disclosing the pair's recent circumstances in a calm, detailed manner, which instead made them look all the more credible.
This passage even suggested that Kahn had been perfectly calm when writing the letter, indicating that his betrayal had not been sudden, but that he had been Iroh's spy from the very beginning.
After reading the letter, even Azula had to admit that Ozai truly had his methods. Especially when it came to manipulating schemes and people's hearts, his grasp of human nature was downright frightening.
Had she not possessed far more information than Ozai, she really might have been deceived.
But now, she only found it rather funny.
Of course she knew Kahn and Iroh were secretly colluding. More importantly, she knew they could both use Spiritbending and often communicated in some ghostly, mystical place called the Spirit World. They had no need to write letters at all; it