Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Reptilian predator stalks fleeing trio
S9E10
·
The Sea Devils Part 2
To
Clark shatters under the pressure of the hunt
S9E10
·
The Sea Devils Part 2
Why These Connect
The narrative assertion
"Clark's attack on the Doctor (which reveals his distress and the existence of the Sea Devil) directly leads to the Doctor's observation of the reptilian creature, establishing the immediate threat of the Sea Devils to the characters."
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.