This class focuses on the Zai and it's basic function within the body. It is taught to "Zeroes" and Gakusei alike. It is not an instruction of utilizing Zai.
It introduces the student to the Zai system,the various theories of which and the basic formulas.
Survival:
This class is offered strictly to Zero students, it is to aide in surviving an encounter with a Senshi. Due to many battles being fought and the threat of territorial wars. It emphasizes that a zero or non talent user cannot defeat a Senshi or similar warrior.
Senshi History I (thru III):
Covers the beginning of Senshi as fighters, mercenaries ,etc. Open to all students.
Adaptive Defense I (thru IV):
This is a Gakusei only class,it teaches the unique skill of adapting to almost any challenge in battle. It teaches move prediction,body/mental alignment, battle focus and etc. Senshi are known for this skill and the most proficient are feared.