The fifth angel poured out his vial upon the seat of the beast; and his kingdom was full of darkness; and they gnawed their tongues for pain. Revelation 16:10
Trivia: In John's vision of Jesus in Revelation 1, what color was Jesus's head and hair?
What the Bible says about Cryptozoology
Fiery flying serpents are mentioned twice in the Bible.
Rejoice not thou, whole Palestina, because the rod of him that smote thee is broken: for out of the serpent's root shall come forth a cockatrice, and his fruit shall be a fiery flying serpent. Isaiah 14:29
The burden of the beasts of the south: into the land of trouble and anguish, from whence come the young and old lion, the viper and fiery flying serpent, they will carry their riches upon the shoulders of young asses, and their treasures upon the bunches of camels, to a people that shall not profit them. Isaiah 30:6