What exactly entail as "power" that one immortal receive from another?
As the saying goes, "he cannot die, unless you take his head and with it, his's power" -- and so after watching quite a few Quickening up to this point -- I have to wonder, what exactly is this "power" that they gain? Knowledge? Because so far, we do not see him applying the "power" or the "knowledge" he gained. Is it perhaps the sword-fighting skills? The investigative skills? The martial combat skills? Again, the show implied that Duncan acquired his sword-fighting skills through various masters, not through Quickening. Investigative skills seems to be a culmination of 400 years of experiences. Martial combat skills, also from "the people that invented it"...
So what is this "power"?? Thoughts?