The story of the first Avatar, Raava, and Vaatu was indeed shocking, and that vast, chaotic negative energy was indeed terrifying. But stopping the war was certainly not something that could be accomplished overnight. For now, he would deal with the matters at hand first.
"Little East, Little South, Little West, Little North, I came this time because I wanted to ask you a favor."
Kahn made his request in all seriousness.
After spending this time together, they could already be considered good friends. It was on that basis that Kahn felt confident enough to make a request of them.
Borrowing the four birds' power was currently his only way to reach the Eastern Air Temple safely and discreetly.
As mentioned before, although the Avatar had sealed the passages connecting the Two Worlds, humans and deities had not completely lost contact.
On the human side, besides the Avatar, Spiritbenders could also cross between the Two Worlds. On the deities' side, any sufficiently powerful deity could travel between the Two Worlds under their own power, such as the Mother of Faces and Koh.
East, South, West, and North usually looked like nothing more than rather cute little birds, and their individual powers were indeed weak. In reality, however, they were deities of considerable strength, and likewise possessed the power to cross into the Human World.
They were symbiotic deities, much like Raava and Vaatu. They usually preferred to move about separately, and only when they merged into one did they reveal their strongest form.
Kahn told them about his problem and his request, hoping to receive their help. After hearing him out, however, their attention seemed to shift elsewhere.
"So we're going to the Human World?"
"It's been so long since we last went. I wonder what the Human World is