Ryvens, or the more advanced, Ryfes, are muscle-bound, blue skinned, blue haired humanoids of average stature. Ryvens are also known as "blue roots", because of their blue colored skin and their "tree-like" physical strength.

The ryvens are one of the most physically powerful races in all of Nodeka.
The ryvens possess great physical strength and great constitutional strength.
Through the combination of these two strengths, they manage to do a great deal of damage and continue doing that damage for an unprecedented amount of time.

Due to their unearthly constitutional strength they possess an endurance regenerative power that is nothing short of unbelievable.

These creatures make fierce warriors.