What will happen to those who add to the words of Revelation?
When he lieth down, that thou shalt mark the place where he shall lie, and thou shalt go in, and uncover his feet, and lay thee down; and he will tell thee what thou shalt do. Ruth 3:4
What will happen to those who add to the words of Revelation?
God will give them the plagues that are mentioned in this book.
For I testify unto every man that heareth the words of the prophecy of this book, If any man shall add unto these things,
God shall add unto him the plagues that are written in this book. Revelation 22:18