Fear of fire(fire archer and other units with fire attacks passive ability)

[Morningwarrior]

fire archers and other units have only a single exclusivity, setting fire to buildings, machines or boats. but what I propose is that they have a chance (30%) of putting fear against mounted troops (light, medium, heavy, chariots) the name of the effect would be "fire dread" the fear would cause -1 attack power the assembled unit (elephants would have a higher chance of being affected, 40% chance) and would only have 1 turn duration, no cooldown and would be a passive ability than fire archers and other units with shooting or attacking abilities with burning weapon weapons (Archer from Crete and Assault Archer for example)