@Talith : If this follows the WN, then
MC decide to hold back and watch.
Garm win against the monsters, but was injured and seem to be suffering from poison.
MC noticed the time and made his choice.
He spent Fate Point to make a traveling merchant (or medicine peddler, forgot) appear, and at the same time also give the oracle to tell the villagers that the merchant appeared via his miracle.
The merchant's POV was that his family has been traveling sort since olden time, and at that moment he saw a pillar of light and felt compelled to go to it.
After treating the brother, when they discuss where to stay the merchant also point out there's a nearby abandoned mine they can use for shelter, which bring us to the cave we see in the opening chapt