River Monsters

River Monsters is a main quest in the Fallout: New Vegas add-on, Honest Hearts.

Synopsis
In order to flee Zion Canyon, the Sorrows must escape through Pine Creek Tunnel; however, a den of yao guai is situated near the only bridge that leads to Pine Creek Tunnel, and Daniel wants the yao guai gone.

Walkthrough

 * 1) Deal with the yao guai in the yao guai cave. This can be done by:
 * 2) Killing the yao guai that block the road in order to get through, or
 * 3) Destroying the yao guai cave by activating the mining explosives inside and triggering them with the mining detonator once outside.