This is pure gold.
Harry as a Sinanju, Death Eaters are toast.
Also like how you have Dumbledore bouncing between incompetent for his position and a manipulator.
This version of the Twins and their Slytherin rivals was nice. Too bad with it being sixth year that it is unlikely to have much of them.
Harry using the 37 steps on Tonks is pure WIN. Hope to see more of that or at least the effects of Tonks having been driven out of her mind with pleasure. Though with her being a metamorph Harry might have added a few new things to the steps.
More soon please.