Basilisk egg

A Basilisk egg is an egg of the said creatures. They are chicken eggs hatched under a toad, thus breeding the deadly King of Serpents. This method was first discovered by Herpo the Foul, and has been banned since Medieval times.

Behind the scenes

 * Alastor Moody believed in paranoia that one of his birthday present was a cleverly disguised basilisk egg and smashed it apart before realising it was a carriage clock.

Appearances

 * ''Harry Potter and the Chamber of Secrets
 * ''Harry Potter and the Goblet of Fire