Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Discovery leads to explosive excavation
S26E2
·
Battlefield Part 2
To
Tunnel seals behind trapped companions
S26E2
·
Battlefield Part 2
Why These Connect
The narrative assertion
"The Doctor’s decoding of the undecipherable carving as instructions to ‘dig a hole’ leads directly to Ace’s explosive excavation and the discovery of the Merlin-built tunnel, driving the plot toward the spacecraft revelation."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.