Aždaja - Regarded as evil incarnate in Serbian mythology, these sluggish dragons resemble serpents with three or nine heads and stumpy limbs, as well as bat-like wings. They create terrible rackets in their cave habitats with their infernal screeching, and spit blue fire from all of their heads. It is said that they come into being when a snake keeps eating other snakes and then develops legs and wings if it lives for a hundred years.
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