It is Chi that you refer to, though that is a PERSONAL focus of power for the most part, at least in the martial arts.
As for focusing divine energies…
Only in such manners as to not upset the balance of the cosmos. And among most Pagans, such things require personal action “in accord”
In other words, if you ask for divine assistance with somethign, you have to actively act and work with your own abilities in order to make it happen, and the divine energies will augment your personal actions. But without “acting in accord”, nothing happens.
For example…
You can pray for a better job all you want, but without polishing your resume, sending it out, improving your job skills, etc. prayer will NOT work.
The Gods help those who help themselves.