And it worked splendidly. The enclaver kids do make it out alive almost all of the time—their survival rate usually hovers around eighty percent, a substantial improvement over the forty percent chance they’ve got if they stay home. There are so many weaker and less protected wizards around them, and even in the graduation hall, the mals can’t catch all the salmon swimming upstream. And that’s the best solution that all the most powerful and brilliant wizards of the last century and more have been able to come up with. Not a one of them has tried to repair the scouring machinery since.

