First, use Rupture (R). They will attempt to run away until they realize that they lose health.
Second, use Blood Rite. They won't move because they will lose more from moving than from the Blood Rite. But the damage is just a small part. The main part is the silence. They can't use any abilities.
Third, ATTACK! They will fight back, but they will be silenced for a little, so if you have any idea how to right click, then you get an easy kill.
WARNINGS
Beware of enemies attacking you while you attack them. If your too focused on the one guy, then you can be easily ambushed.
But this combo basically guarantees a kill unless you have an extreme level disadvantage.
I hope that you will succeed in getting kill after kill with this combo!
A) The target in question doesn't have a TP scroll (
B) The target in question cannot get away without taking damage from
C) The target has no way of fighting back while silenced. Sure, maybe you could get a pick off on a
D)
And finally, Dotabuff or it didn't happen; aka, have you actually pulled this off on a consistent basis? Was this a one game fluke or do you have 10-15 game sample size to show for this "combo" of yours?