You explain to the angels that they should go on strike. They try to argue their contract doesn't allow it, but you and the scorpion explain you don't need a contract that allows strikes in order to strike. The angels have bodily autonomy. They control their labor, so they can choose to withhold it. All through the heavens word goes out that the angels are walking off the job. Their solidarity is strong and the work of heaven grinds to a halt. Soon, the heaven cops arrive and, since the strike is illegal, arrest both the angels and the scorpion who was at the time on the picket line. Now, for the next step of your plan