Zmaj - It is considered as "extremely intelligent, wise and knowledgeable" creature of "superhuman" strength and proficiency in magic, very rich (usually described as having castles of enormous riches hidden in distant lands) and often lustful for women, with whom it is capable of making offspring. It often breathes fire and is generally accepted as a highly respected being, and while not always being benevolent, never as an entirely evil creature.
In #Slavic #mythology evil (male) spirits usually live in water nearby watermills.Those spirits, discovering from Serbian stories, used to be humans that usually did evil to other humans. Their punishment is to live forever in water. People believe that damage on watermills and bridges is made by those evil spirits. #Vodenjak make people drown and become their slaves. To stop them from doing that evil, people usually sacrificed chicken or a sheep.
Sava Savanović (Serbian Cyrillic: Сава Савановић) is one of the most famous vampires in Serbian folklore. Sava Savanović was said to have lived in an old watermill on the Rogačica river, at Zarožje village in the municipality of Bajina Bašta. It was said that he killed and drank the blood of the millers when they came to mill their grains.