Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Master reveals weapon’s blackmail potential
S8E20
·
Colony In Space Part 6
To
Master escapes with gas grenade gambit
S8E20
·
Colony In Space Part 6
Why These Connect
The narrative assertion
"The Doctor pointing out the danger sets up the Master's use of the gas grenade, allowing them to escape and move deeper into the city to find the weapon."
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.