Revelation 9 describes the fifth and sixth trumpet judgments, also known as the first and second woe. In this chapter, John, the author of Revelation, sees a star falling from heaven to earth, and this star is given the key to the bottomless pit. When the pit is opened, smoke rises, and locusts come out of the smoke, tormenting those who do not have the seal of God on their foreheads. These locusts have the power to inflict pain like scorpions, but they are not allowed to harm those who have the seal of God. The chapter also mentions a great army of horsemen, who kill a third of mankind. Despite the suffering and destruction described in this chapter, it ultimately serves as a warning and a call to repentance.