Kupała name means (to bathe) is the Slavic goddess of springs, water, sorcery, love and herbal lore. She is also the mother, associated with trees, herbs, and flowers. Kupula personifies the magical and spiritual power inherent in water, and Kupula's devotees worshipped her with ritual baths and offerings of flowers cast upon water.
Since fire as well as water has powers of purification, her worshippers also danced around and leaped over huge bonfires. Frequently her effigy was burned or cast into pools of water. Kupula's cult preserved an extensive lore of magical plants and herbs which gave men the power to read minds, control evil spirits, find hidden treasures, and win the love of beautiful women.
Her twin sister is Kostroma. Kupała, also known as Sobótka, is the also festival celebrated on the Summer solstice in June. They believe that it was a sacred holy day honoring the two most important elements: Fire and Water. Kupalo is a male form of Kupala, and recognized in other Slavic regions. Kupalo is associated with John the Baptist, June 24th being his feast day.