She began to suspect that his mortal mother had stolen him back, and without even doing her the courtesy of returning the hobgoblin that had been left in his place.
The Devil was the hobgoblin whom you met in the pasture, and who asked you for coins deny him and he would turn the forest around, and you would be lost forever.
Jared also gets some help from Hogsqueal, a bird-eating hobgoblin (voiced by Seth Rogen) who has sworn vengeance on Mulgarath and who'll spit in your eye to expose the ogre's invisible minions.