It has to be said that Duanmu Huai's decision to climb the social ladder was right. Upon learning that the deeds of the Evil Dragon might influence humans' perception of the Giant Dragon, particularly after discovering that Greiya might be expelled from Manaria due to this, Ann immediately wrote a letter to her own father, discussing the rampant issues caused by the Evil Dragon.
Greiya also wrote to her own father in the same veign, to discuss countermeasures.
Luckily, responses came quickly from both sides.