Tutorial part 2:

This message was shown when the unit was death too

data/campaigns/tutorial/scenarios/02_Tutorial_part_2.cfg

@@ -703,6 +703,10 @@ A full list of abilities and weapons specials, along with traits, may be found i
                 name=unit.hitpoints
                 less_than="$($unit.max_hitpoints/5)"
             [/variable]
+            [variable]
+                name=unit.hitpoints
+                greater_than=0
+            [/variable]
 
             [variable]
                 name=lhpu_msg_i