Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Koquillion triggers cave explosion
S2E10
·
The Powerful Enemy
To
Ian reveals cave collapse was deliberate
S2E10
·
The Powerful Enemy
Why These Connect
The narrative assertion
"Koquillion triggering the cave explosion (beat_a49878c3746d4edc) directly causes the Doctor and Ian to be trapped where they find Barbara missing potentially impacting her safety."
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.