Unholy Rituals for Dummies

N.K

The moon casts a pale, unearthly glow onto the graveyard below. The night is silent, save for the eerie sound of a shovel on the cold, stony ground...
...accompanied by the decidedly less eerie sound of your grunts and groans each time you hit it.
The movies make this seem so easy. 
This isn't doing wonders for my back, is it?