The Hercules Hoist obstacle is one of those who can take away what remain of your energy.
But with the right technique, you can conquer it!
Basically, it consists in grab a rope and pull up a weight of 90lb (70 for the women).
Once at the top, you must lower it slowly, If that weight slams to the ground, you just earned yourself 30 burpees.
Repeat, repeat, repeat until the weight is at the top.