I wonder, do we have any information on old disciplines? From source materials, it looks like kai disciplines shouldn't count anymore, and only mangakai ones are of any value.
During your training as a Kai Lord, and in the course of the adventures that led to the discovery of The Book of the Magnakai, you have mastered all ten of the basic warrior skills known as the Kai Disciplines.
If you have completed the first five books of the Lone Wolf series, you can continue to use the Kai Disciplines acquired in those books