Hell his battle tactic skills can very well be the best in DCU (yes even better than Batman's).That's what makes him so dangerous. In issue 14 0r 15 The JLA ( Hal, Wally, and Aqua Man couldn't take down Slade with only half his strength, stamina, and speed. And his HF was dam near none (read Deathstroke issue # 9 when he and Batman work together to save a witness from the mob).