10. They took ashes from a kiln and stood in front of Pharaoh. Moses threw the ashes up in the air, and they caused boils to break into open sores on people and animals.
11. The magicians couldn’t compete with Moses because they had boils like all the other Egyptians.
12. But the Lord made Pharaoh stubborn, so he wouldn’t listen to Moses and Aaron, as the Lord had predicted to Moses.
13. Then the Lord said to Moses, “Early in the morning, go to Pharaoh and say to him, ‘This is what the Lord God of the Hebrews says: Let my people go to worship me.
14. Now I will send plagues that will affect you personally as well as your officials and people. This is how you will know that there is no one like me anywhere on earth.
15. By now I could have used my power to kill you and your people with a plague that would have wiped you off the earth.
16. But I have spared you for this reason. I want to show you my power and make my name famous throughout the earth.
17. You are still blocking my people from leaving.
18. So, at this time tomorrow I will send the worst hailstorm that has ever happened in Egypt since the beginning of its history.