In my StoryEditor I entered the following scripts with no luck:
[INIT]
CharacterSetOnStage(CHARACTER_OrcAmbusher,0);
TriggerRegisterForPlayers(TRIGGER_OrcCombatDocks1);
[KB]
IF
CharacterEnteredTrigger(_,TRIGGER_OrcCombatDocks1)
THEN
CharacterAppearAtTrigger(CHARACTER_OrcAmbusher,TRIGGER_OrcCombatDocks1_EnemyPoint,1);
TriggerUnregisterForPlayers(TRIGGER_OrcCombatDocks1);
Have you set the "OrcAmbusher" to global? Have you copy the "Alignments" Folder from the Main Campaign to your Mods/Story Folder?