  "The blood is so that we can teleport safely, it's an old spell I learned. Spill a little of your blood somewhere first. After, cast the spell; steílte mou sto méros pou vrísketai to aíma mou, which roughly translates to; send me to the place my blood lies, on the vial filled with blood. Then, when or if needed, drink some of the charmed blood and you're sent to where you're blood lies, which for us will be outside of the Forbidden Forest," Hermione explained, "Now the Blood Ritual is pretty much killing an animal under the full moon and chant; dóse mou ti dýnami tou fengarioú méso tou aímatos aftoú tou plásmatos, which translates to; give me the power of the moon through the blood of this creature. In short it boosts our strength.