Скрипторий: Monster - the great flood (tian xia world guide)

There are few creatures capable of such ecological destruction while staying as humorous and lighthearted as the Great Flood. The Great Flood towers with their giant serpent body and nine humanoid heads, each one with a different personality, though all serve the same purpose—to vanquish all signs of life that shouldn't be where they are. This creature intends to maintain the balance of the universe, ensuring that nothing takes up more space than necessary. Unfortunately, the judgment of where someone or something should be is only seen and weighed by the 18 eyes of the Great Flood, with little regard to mortal input.
The Great Flood is an immortal, or at least ageless, being who hibernates for 12 years at a stretch. On the thirteenth year, they emerge from the depths of the oceans and begin weighing the state of the world and the environments closest to their resting place: should the first thing they see on dry land be destroyed? Each of the Great Flood's nine heads lends their thoughts and insights to this deliberation, and upon reaching a consensus, they'll either carry on to the next location or they'll drown the land, immersing miles of dry land in salty waters from the ocean. In instances where they perceive the excess life as particularly problematic, they'll even decide to poison the waters with their bitter breath to ensure that nothing survives the judgment they've decreed. The Great Flood, despite its inherently destructive nature, isn't actually bloodthirsty and will often afford an opportunity for poor townsfolk to state their case and beg for the lives of their town to be saved. While the Great Flood has the capacity for mercy and consideration, the godlike creature stands adamant once they've made their decision. One or two of the heads might feel a twinge of guilt and tell a small joke to the townsfolk, relieving themselves of the mental pressure, before murdering an entire village.
The nine personalities of the serpentine creature often run into contention with each other. One is a perfectionist, while another is aloof; one is assertive, while another is playful; one is capricious, while another is suspicious; one is ambitious, while the other is a people pleaser. The last one is quiet and secretive, only ever whispering to the heads closest to them. Though the heads squabble like siblings, they eventually always make a compromise.