I used Hama Dryads once to defend against Ulm, who was trying to storm my castle. Awe works well on low morale Ulmish troops, steal strenght negates armor, and eventually the Ulmish army routed. Of course, if Ulm had had archers the Dryads would've been toast.
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Great indebtedness does not make men grateful, but vengeful; and if a little charity is not forgotten, it turns into a gnawing worm.