The wind picked up to the point where it sounded like a chorus of a hundred howling banshees. Even deep in the cave, we all felt the temperature drop even further as the Chill Squall moved through; snatches of wind fingering in as if it was trying to pluck us out of our hole.
Appearing a small ballista bolt, this ‘bolt’ is actually an arrow used by a god from a long-dead pantheon. Some sages theorize it was a weapon crafted by Loki to slay the world tree. Why it was never used escapes them however.
The spear has a divine-level anti-plant effect. When driven into the soil point first, a ever widening circle of destruction radiates out from the point, killing any plant material. Perfect for holding a kingdom’s food supply for ransom.
How far it extends depends of course on the GM, of course.