Nothing guards treasures unless they are religious and God guards them. I know you might not believe in God but then you can believe the first part.
Treasures Untold was created in 1964.
Treasures of the Deep happened in 1998.
Early Treasures was created in 1973.
The Treasures of Agra was created in 1983.
American Treasures was created in 2011.
Qabala treasures was created in 1964.
Treasures of the Snow was created in 1950.
The Treasures Within was created in 1992.
Sunken Treasures was created in 1993.
It is to protect the king's treasures for his afterlife because the pharaoh has to be rich in the afterlife, too. There is a book called The Book of Death to guide him through the dangers of Duat. Mostly because of robbers who want gold.
border guards
In all, there are 201 treasures to collect.