There are two mistakes along the way to mastery:

Not starting it and not going it all the way.

Practice:

Body Awareness
Breathing & Movement
Tension & Relaxation

Theory:

Attention & Frequency
Composition & Refinement
From the Smallest to Biggest
Mental Objects / Mind Objects
Breathing (Methods) & Intention

The Forms:

Shaolin Shi San Shi Luohan 羅漢十三式气功
Shaolin Yi Jin Jing 易筋經
Shaolin Ba Duan Jin 八段锦