The Resurrection Potion had to be spread gradually over every single part of the corpse, until it was completely covered. When the last drop of blood was poured, Draco retrieved the Invincible Wand from his pocket and gripped it tightly. Pointing the infallible weapon at the corpse, smeared with the Potion, he uttered an ancient and ominous incantation that sounded like a long hiss.