Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor demands pebbles amid spider overlord revelations
S11E24
·
Planet of the Spiders Part 4
To
Device detects energy absorbing pebble
S11E24
·
Planet of the Spiders Part 4
Why These Connect
The narrative assertion
"The Doctor’s request for various pebbles (beat_193bf6297968186b) directly leads to Rega’s assistance in scanning them with the device to find one that absorbs spider energy (beat_d6ee9209b5970d07), driving the technical climax of the story’s strategy."
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.