Aesir

The Aesir are beings that rule over the 10 floors below them, out of all 100 floors in the World Tree, there are only 10 Aesir. Their duty is to manage the exams taken on their floors and allow Climbers to use the rankings of their floor.

About
The 10 Aesir that rule over the the World Tree were all the first inhibitors of the World Tree when it was once known as Yggdrasil. As the floors increase, so do the difficulty in the floors exam and this is reflected in how powerful the Aesir is.