In terms of structure, start with the family back at the lighthouse or heading towards the next location guided by the map. Describe their journey through the forest or towards the mountain. Maybe they encounter a natural obstacle or a clue pointing to the next site. Then introduce the new artifact and the shadow creatures, leading to a confrontation. Resolve the conflict partially, setting up for future chapters where they uncover more or face greater threats.
Ending the chapter on a cliffhanger or a revelation could hook the reader for the next chapter. Maybe they find a new clue that changes their course or reveal a larger threat.
Ben’s parting words hung in the air: “The sky’s no longer empty, I see. You’re playing with gods.” Armed with the disk’s knowledge, the family returns to their car, the map now glowing with a star chart superimposing today’s horizon. As they drive toward the coast, the sky deepens into twilight—a shadow flickers atop Mount Bachelor, watching.