Revelation 11:5

11:5 If anyone wants to harm them, fire comes out of their mouths and completely consumes their enemies. If anyone wants to harm them, they must be killed this way.

Revelation 9:10

9:10 They have tails and stingers like scorpions, and their ability to injure people for five months is in their tails.

Revelation 7:2

7:2 Then I saw another angel ascending from the east, who had the seal of the living God. He shouted out with a loud voice to the four angels who had been given permission to damage the earth and the sea: