The basics are boring!!!

It is like the sword is just an extension of the hand, the real power comes from the hand, not the sword.
I believe psi balls (easiest form of DE) should be taught to newcomers at the very start. Why? Because they are free (in terms of economics not energy), easy, and physically feel-able (to the psi-ball maker only, until the point where the psi ball is so strong that physically anyone can feel it)