- This article is about the magical structure. You may be looking for the book of the same name.
By building the Red Pyramid in the desert, Set made himself nearly indestructible while near it. This is because Set is the god of the desert, and his powers are stronger there than other location. It is also designed to feed Chaos by drawing the energy of entombed gods which also makes him stronger, it can be used as a magical focal point and because Set uses it as a host his power is not limited like it would be in a weaker form.
The Red Pyramid was a large pyramid, red in color. Its pyramidion, the small point at the top, was golden like the sun.
- There is a real red pyramid in Egypt. It is the first successful attempt to make a smooth pyramid, and was built by the Pharaoh Sneferu.
- In the end of the The Red Pyramid, Rick Riordan says that Sneferu would be horrified to see that his pyramid was red, which is the color of Set.