The Goblin Hills

From the introduction:

On the road down to the village, you admired the scenery: Majestic mountains and wind-blasted crags overlooking a fierce, rugged wilderness with tiny specks of civilization scattered throughout.

Arriving in town, you noticed the tense, fearful looks in the eyes of the locals. Militia men, too old or too young, clutch their spears while patrolling the palisades.

As you ask around, the villagers whisper one word in response:

“Goblin”