Revelation 1:16

1:16 He held seven stars in his right hand, and a sharp double-edged sword extended out of his mouth. His face shone like the sun shining at full strength.

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 12:16

12:16 but the earth came to her rescue; the ground opened up and swallowed the river that the dragon had spewed from his mouth.

Revelation 19:21

19:21 The others were killed by the sword that extended from the mouth of the one who rode the horse, and all the birds gorged themselves with their flesh.