Money. It's the most valued thing in the world. Every culture has money.
But what is more valuable than money? The human body. Life is our most valued thing. Without it, we cease to exist. What makes up the human body? Organs, blood, consciousness.
How about the five senses: hearing, touching, smelling, seeing, and most importantly, taste? Without it you would have no concept of deliciousness. You would never know the valued taste of chocolate, candy, fruits, veggies, and meat.
Especially human meat.
Speaking of human meat, here comes a delicious morsel right now.