User blog comment:Darknessabove/Huntsman: Land of the undead/@comment-26024507-20150817041924/@comment-25421410-20150827231334

The amulets designed to absorb demonic energy, there by preventing it from affecting the huntsman, though it can only absorb so much at a set rate, so places saturated with the stuff are still risky for him to enter.

What he needs from Julia will be revealed soon enough.