https://www.ancientpages.com/2020/07/06/alkonost-mythical-bird-of-paradise-in-slavic-and-russian-folklore/These mythical beings hypnotized people with their powerful, beautiful singing and filled their hearts with love, joy, and happiness. Their perfect song had enough power to stop a war, while in another version, Alkonost's role is to torment the souls of the damned by singing terrible songs and giving them no rest
Beautiful image of Sirin, by Vasylina@deviantart.
https://www.deviantart.com/vasylina/art/Slavic-mythology-Sirin-490773751