Gracious, so many lies you have been told.
1. The rituals are rather boring. Sorry. No blood. Instead, men doing things that their wives would probably laugh at if they saw it.
2. There is no such thing as a "31 degree Mason". There is a 31st degree in the Scottish Rite, but the Scottish Rite is an appendant body. The highest degree of Freemasonry is the 3rd degre-Master Mason, none are higher. One way to look at it is that Entered Apprentice is a Bachelors, Fellowcraft is a Masters, and Master Mason is a PhD. Nothing is above the PhD in terms of actual academic degrees, but after a PhD, someone can specialize further and study more in depth within the specialty, but that doesn't make that scholar a "higher-ranK" scholar than someone with "just" a PhD. Both have their PhDs.
3. Thus, there is no such thing as a "4th degree mason".
4: The term "lucifer" does not always mean "Satan". Indeed, since it is likely that you are of the "Sola Scriptura" crowd, please show me a specific quote from the Bible wherein it states "Lucifer is Satan". ("How, O Lucifer, art thou fallen" is addressed to a MORTAL king, not to Satan. His court called him "Light bringer" to flatter him, so a prophet took him down a peg--reminded him he was a mortal.