He picked the scroll for the technique out of the slot, examining it happily. He was quite satisfied with the significant improvement to his lethality.
The technique costed around four hundred martial credits, despite the fact that it could cause more damage. The reason for this was because the Stinger had very low flexibility. It could be executed as a straight kick, or side kicks, to varying heights. But the fact of the matter was it required a leg, and unless the user trained the large toes of both feet for the technique, it could only be used with one leg.
Outer Convergence was less devastating with every attack, but fundamentally boosted the power and speed of nearly all Martial maneuvers in general. It wasn't limited to one leg or one type of attack and could even boost other fields if used cleverly. But it lacked the lethality, in turn.