Shuhan
The Most Powerful Of all the Risers, Going against the Will of the Shuhan is basically asking for Death. There is none who can match his strength.
kyoudai
These are the Elders of the Race, Or the Strength. Most of the people here have been around for hundreds of Years. However it isn't unlikely for one to become a Kyoudai through the fact that they are Exception fighters. The Kyoudai are the only ones with the potential to defeat the current Shuhan.
kinokiita
Above average. These are like the Potential of the Lot. Not yet at Kyoudai strength, however they have then possibility to become one. Very powerful And not to be crossed lightly.
chuutou
These are the everyday normals, The Averages. They are usually those who have gained full control over their Emotions, and can now harness their strength efficiently. They also Are able to resist Feeding on Others.
shinnin
The New Blood. THey have only just come out of the Zombi Stage and are struggling with their hunger, However they have regained their ability to think. During this Stage They are much stronger, though their defence is Way off.
zonbi
Just Turned, They Have got no control over their actions, and will attack any non-Riser with a magical Source. Not many live through this age. Lasts for a week.
rosuto
Those who never get past the Zonbi stage. They stay mindless forever and have no chance of being recovered. Rosuto's are hunted by other Risers, to prevent Disasters.