Salazar Slytherin: Why do I wake up next to a lion?
Godric Gryffindor: Why did Thrall and I sleep on the grass?
Salazar Slytherin: Don't call me by my name! Stinky lion!
After another explosion in the Potions class, the two ancestors woke up to find themselves in Hogwarts a thousand years later. Sadly, they found that they could not go back. And the other two ancestors came after them.
Purpose: For my dear cpGS