After a crucial node was shattered, many seemingly irrational details suddenly made sense.
If breathing techniques are "self-cursing" for transforming the body, what about changes to the spirit?
"Meditation, and Awakeners..."
As far as Lu Ping'an knows, Awakeners are best at "meditation," which is even their sole core ability, leading to the notion that low-level Awakeners have no combat effectiveness.
Many spiritually-biased professions also have "breathing techniques" and "meditation techniques," and some breathing techniques can even accelerate meditation. Although this can't be taken as evidence, it does imply that...
"...It seems that the incompatibility between Runners and Awakeners can also be understood."
One is inclined to transform the body, while the other is to transform the spirit (soul). If their powers have the same origin and are different specific applications of the same "great power," it's only natural that they can't coexist.