Most of what was said in the original post is difficult to follow, it must be said.
Power is torque times rotor RPM (with a constant thrown in to do the coversions).
Torque is the drag on the rotor blades.
It follows that normally (and I must stress normally), that at a constant power, increasing the rotor RPM will decrease the torque.
In my short time flying the 412, I've been quite surprised to see that when we beep back the RPM for cruise, the torque goes down at a constant collective pitch - this is quite contrary to 'normal', and indicates that the rotor is more efficient at this lower RPM.