Stone of Blood
From Darren Shan Wiki
Jump to navigationJump to searchThe Stone of Blood was given to the vampires by Mr. Tiny. The Stone of Blood is a dragon brain from the future. The stone is able to locate any vampire that has given blood to the stone. If fallen into the wrong hands the vampires would not exist.
The Vampire who is becoming a Vampire Prince must mix their blood with the stone, Darren also does that when he becomes a Vampire.