The Jesus of Revelation, is one and the same as the Jesus who walked this earth. He came first as a lamb to lay his life down for humanity. He will return as a lion to destroy all who willfully spurn the gift of his blood for their sins.
The face of a demon.
Sorry, but your definition of grace is misinformed. What you have described is mercy, not grace. Grace is the enabling power of God within us to walk in His ways. That is why Paul rebuked the Galations… they were relying on their own strength, rather than grace. Much the same in most so-called churches across America today.