Serpent: Figurative
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Isaiah 14:29
Do not rejoice, all you Philistines, that the rod that struck you is broken. For a viper will spring from the root of the snake, and a flying serpent from its egg.
Isaiah 30:6
This is the burden against the beasts of the Negev: Through a land of hardship and distress, of lioness and lion, of viper and flying serpent, they carry their wealth on the backs of donkeys and their treasures on the humps of camels, to a people of no profit to them.
Isaiah 65:25
The wolf and the lamb will feed together, and the lion will eat straw like the ox, but the food of the serpent will be dust. They will neither harm nor destroy on all My holy mountain,” says the LORD.