There is no offical blood oath in Harry Potter, however a fan wiki features an article which describes the blood oath as following (please not this is NOT canon information):
It is similar to an unbreakable vow and can only be broken by death. The participants cut themselves to produce a wound that releases blood. They then press the wounds together (usually they palms are cut) until the mood is mingled.
Harry Potter and the Half-Blood Prince.
Harry Potter and the Chamber of Secrets.
Harry Potter 1, Harry Potter 2, Harry Potter 3, Harry Potter 4, Harry Potter 5, Harry Potter 6, Harry Potter 7, Harry Potter 8.
Harry Potter and the Sorcerer's StoneHarry Potter and the Chamber of SecretsHarry Potter and the Prisoner of AzkabanHarry Potter and the Goblet of FireHarry Potter and the Order of the PhoenixHarry Potter and the Half-blood Prince
1. Harry Potter and the Philosopher's (Sorcerer's) Stone 2. Harry Potter and the Chamber of Secrets 3. Harry Potter and the Prizoner of Azkaban 4. Harry Potter and the Goblet of Fire 5. Harry Potter and the Order of the Phoenix 6. Harry Potter and the Half-Blood Prince 7. Harry Potter and the Deathly Hallows
Harry Potter and the Half-Blood Prince.
The character Harry Potter is 16 in Harry Potter and the Half-Blood Prince.
There is no animated blood on Lego Harry Potter for DS.
Well, the main places were the series sell are Britain and America. The British covers are: Harry Potter and the Philosopher's Stone Harry Potter and the Chamber of Secrets Harry Potter and the Prisoner of Azkaban Harry Potter and the Goblet of Fire Harry Potter and the Order of Phoenix Harry Potter and the Half-Blood Prince Harry Potter and the Deathly Hallows Now for America's covers (I personally think they're more appealing): Harry Potter and the Sorcerer's Stone (In England, it's Philosopher's Stone). Harry Potter and the Chamber of Secrets Harry Potter and the Prisoner of Azkaban Harry Potter and the Goblet of Fire Harry Potter and the Order of Phoenix Harry Potter and the Half-Blood Prince Harry Potter and the Deathly Hallows You don't see this everyday. This copy of Harry Potter and the Half-Blood Prince is from Ukraine. Гаррі Поттер і напівкровний принц(Harry Potter and the Half-Blood Prince)
Harry Potter and the Chamber of Secrets.
"Harry Potter and the Half-Blood Prince".
Harry Potter and the Half Blood Prince.
It's Harry Potter and the Half-Blood Prince.
There are 172,289 in 'Harry Potter and the Half-Blood Prince'.
There are 172,289 in 'Harry Potter and the Half-Blood Prince'.
The title of the sixth book in the Harry Potter series is Harry Potter and the Half-Blood Prince. It was first published in Great Britain in 2005 by Bloomsbury Publishing Plc.
Why yes it is. It is the 6th out of 8 Harry Potter movies. In order, they are: Harry Potter and the Sorcerer's Stone (Philosopher's Stone in the UK?) Harry Potter and the Chamber of Secrets Harry Potter and the Prisoner of Azkaban Harry Potter and the Goblet of Fire Harry Potter and the Order of the Phoenix Harry Potter and the Half-Blood Prince Harry Potter and the Deathly Hallows (Part I) Harry Potter and the Deathly Hallows (Part II)