1 Enoch 7:1-6
The Watchers take human wives and teach them sorcery and plant knowledge, producing giants of enormous stature who consume all human resources and tur...
1And they took wives for themselves, and each one chose for himself one apiece, and they began to go in unto them and to mingle with them, and they taught them sorceries
2and enchantments, and the cutting of roots, and they made them acquainted with plants.
3And they conceived and bore great giants, and their stature was three thousand cubits each. These devoured
4all the labor of men, until men were unable to sustain them. And the giants turned against them
5to devour men. And they began to sin against the birds and against the beasts and against the creeping things
6and against the fish, and they devoured one another's flesh among themselves, and drank the blood therefrom. Then the earth made accusation against the lawless ones.