Exodus 10:19-21

New King James Version

¹⁹ And the Lord turned a very strong west wind, which took the locusts away and blew them ^(A)into the Red Sea. There remained not one locust in all the territory of Egypt. ²⁰ But the Lord ^(B)hardened Pharaoh’s heart, and he did not let the children of Israel go.

The Ninth Plague: Darkness

²¹ Then the Lord said to Moses, ^(C)“Stretch out your hand toward heaven, that there may be darkness over the land of Egypt, ^[a]darkness which may even be felt.”