Exodus 10:23
“They saw not one another, neither rose any from his place for three days: but all the children of Israel had light in their dwellings.”
And the Lord said unto Moses, Stretch out thine hand toward heaven, that there may be darkness over the land of Egypt, even darkness which may be felt.
And Moses stretched forth his hand toward heaven; and there was a thick darkness in all the land of Egypt three days:
They saw not one another, neither rose any from his place for three days: but all the children of Israel had light in their dwellings.
And Pharaoh called unto Moses, and said, Go ye, serve the Lord; only let your flocks and your herds be stayed: let your little ones also go with you.
And Moses said, Thou must give us also sacrifices and burnt offerings, that we may sacrifice unto the Lord our God.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“And Moses stretched forth his hand toward heaven; and there was a thick darkness in all the land of Egypt three days:”
“And it came between the camp of the Egyptians and the camp of Israel; and it was a cloud and darkness to them, but it gave light by night to these: so that the one came not near the other all the night.”
“And Pharaoh rose up in the night, he, and all his servants, and all the Egyptians; and there was a great cry in Egypt; for there was not a house where there was not one dead.”
“For they covered the face of the whole earth, so that the land was darkened; and they did eat every herb of the land, and all the fruit of the trees which the hail had left: and there remained not any green thing in the trees, or in the herbs of the field, through all the land of Egypt.”
“And they shall fill thy houses, and the houses of all thy servants, and the houses of all the Egyptians; which neither thy fathers, nor thy fathers’ fathers have seen, since the day that they were upon the earth unto this day. And he turned himself, and went out from Pharaoh.”