Too
The volumes of information were as expected. They described the path of necromancy from the ground up, beginning with the simplest of concepts, describing the different branches, before finally focusing on Hecate's path and her belief structure.
What was more curious were the half-mask and staff.
The staff, called the Death Weed Staff, had a few basic functions. It increased Spiritual Qi absorption speed, deepened one's connection with death, and helped during certain refining procedures.
Death Weed was a spiritual herb that grew from fallen branches of trees borne of death qi. They had the toughness and consistency of twine, and when layered like this into a tightly woven staff, it could be incredible sturdy. Ryu didn't find it to be any weaker than his current Earth Grade weapons.