NET
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.
Darby
5 and if any one wills to injure them, fire goes out of their mouth, and devours their enemies. And if any one wills to injure them, thus must he be killed.
KJV
5 And if any man will hurt them, fire proceedeth out of their mouth, and devoureth their enemies: and if any man will hurt them, he must in this manner be killed.