Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Arbitan’s Blackmail and the Teleportation Trap
S1E21
·
The Sea of Death
To
Barbara’s Vanishing Triggers the Chase
S1E21
·
The Sea of Death
Why These Connect
The narrative assertion
"After Arbitan explains the mission, he explains the teleportation devices, and then Barbara uses the device and disappears."
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.