There is no such thing in the Harry Potter series.
Snape becomes head master and controls the school with two other death eaters Alecto and Amycus while Voldemort tracks down Harry Potter.
Professor Severus Snape is the Potions master. He remains the Potions master until 'the Half-Blood Prince', where he is taken over by Professor Horace Slughorn, and then Snape becomes the Defence Against the Dark Arts teacher.
Harry Potter and the Goblet of Fire
Dragon ball z
a dragon
The Hungarian Horntail.
A soccer dragon is a dragon who likes Harry Potter and soccer. It's very friendly and is also rare.
They are both famous, but I think Harry Potter is more popular.
there are 12 uses of dragon blood.
Professor Horace Slughorn takes over the position of potions master. Professor Severus Snape becomes the Defence Against the Dark Arts teacher. The following year, Slughorn becomes the Head of Slytherin house after Snape becomes Headmaster.
1709
In Diagon Alley