I appreciate your position Dan. I do have a question that may or may not be related to your use of the words internal power. Are mantras solely for sound and relaxation? Can intent and tantric yoga bind and release energies bigger than your understanding of IS/IP (TM) as you have publically expressed it so far?
I am not saying just anyone on this web practices such things, but there may be some that do. I have friends that do and I, too, am a beginner at it. And I will call them shamans/windwalkers. They are an interesting group of folks.
One of the basic martial weapons systems in ancient India were those weapons that were initiated by incantations. In an earlier thread, I quipped with someone regarding "well treated wood" and using light coming from its tip. I used the double entendre of a specific tantric practice used by Little Monk Nupchen Sangye Yeshe whose practice included his personal wood as well as his wooden phurba (light coming out fo them both)..
In the text "The Great Beard of Nup" he writes that when he was 61, the bon armies had surrounded him (904 AD). He pulls out his phurba and "spun a disruptive whirlwind, destroying 37towns around Drak.
See: Taming of the Deamons by Jacob Dalton (Yale University Press, 2011), p. 50. It appears that during this era of fragmentation in Tibet, phurba wars were common according to modern scholarship.
"So, pulling a teak ritual dagger from the hem of his robes, Nupchen pronounced the life mantras of those vow-bound ones, stabbing and rolling the dagger, he recited, ri pha gi maraya phat (Mountain, over there, kill them!). Thereby, fire erupted from the mountain, incinerating and destroying all the armies." (p.51)
Does your sense of the IS/IP art explore these possbilities?
And to tie this thread with the earlier one, I conclude with this piece of info from Dalton, "To create the merit for purifying that sin, he (Nupchen) composed his "Lamp for the Eye in Contemplation" synthesizing union and liberation through violence.....
(incidently, is a term I am using in the context of Comanche "internal power". They were not very supersticious people, but they sure had a word for power that could be enhanced with internal practice. Quannah Parker had it and never lost a battle against the U.S. Army.)