Rev 16:1 Judgment Commanded

Rev 16:2-9 Judgment Commenced
1st Vial - Cancer of the Skin (Rev 16:2)
2nd Vial - Corruption of the Sea (Rev 16:3)
3rd Vial -  Contamination of the Springs (Rev 16:4-7)
4th Vial - Consumption by the Sun (Rev 16:8-9)

Rev 16:10-21 Judgment Completed
5th Vial - Realm of the Beast Darkened (Rev 16:10-11)
6th Vial - Rally of the Battle Disclosed (Rev 16:12-16)
7th Vial - Ruin of Babylon Described (Rev 16:17-21)