Ok found some stuff out for kyo
-first is you know the shortcut that nobody knows lol, (b,d,db+B+C) that activates HD into b,d,db+B. Well if you land from a jump just do b,d,db+B+C & hold B+C and it works. I dont know how to do the running version though.
-If you hold down the B+C after you into the motion you get the (eg) f,d,df+B+C (dp into HD mode) to come out every time easily, so try holding the buttons down as makes it easy to come out.
-Another thing i found is for example kyo's C+D can cancel into f+B before the C+D comes out, then you can cancel off of the f+B into orochinagi etc etc.. C+D, f+B, orochinagi or qcf+D or df+D its not much but can be added for tricks