Good that you people know that, before posting this I read every thread about skullknight and Gaiseric I could find and th majority of people did not actualy speak as if they knew what SK sais about the 1000years thing. Some people were thinking he said it happens every 1000 years suggesting it...
Personaly, I believe that when Griffith reincarnated himself into a human body, it was the first time that it ever happened. When the Skull Knight says that it can only occur once every 1000 years, he means that when the force field of evil thoughts cannot take human body in this world execept...