The first time The Evilness was contained, they placed its soul inside a jewel, kept under lock and key in the most secure castle in all the lands.
Looters released it within a year.
The second time, they placed the soul inside a non-descript book, in the largest library in all the lands.
A new librarian released it within a month.
The third time, the average cobblestone on a random street in a small town?
Three days, thanks to a magically enhanced horse.
The last time, they tried to destroy it in the largest sun.
Seconds later, everything went dark.