If the elves recapture a tent,

...make it no longer count against the loss threshold.

data/campaigns/Under_the_Burning_Suns/scenarios/03_Stirring_in_the_Night.cfg

@@ -606,6 +606,22 @@
         [/if]
     [/event]
 
+    # If the elves recapture a tent, make it no longer count against
+    # the loss threshold.
+    [event]
+        name=capture
+        first_time_only=no
+        [filter]
+            side=1
+        [/filter]
+        [terrain]
+            x=$x1
+            y=$y1
+            terrain=Dd
+        [/terrain]
+        {VARIABLE_OP elven_camps add 1}
+    [/event]
+
     # Instead with providing AI with higher lvl units on medium
     # and hard give it highly experienced lvl1's