earths-core-contains-brimstone

http://www.livescience.com/51249-earth-core-contains-brimstone.html
Interesting...fire and brimstone, WTF?

666 and other numbers

http://syncnotes.blogspot.ca/search?q=666
You can find that various numbers correspond to several things throughout history.
http://syncnotes.blogspot.ca/search?q=616 June 16= 6/16, but that doesn't mean its any more of a bad day than the 11th, 13th or the 31st of any month. However, when one takes a larger perspective of things, you just might see a pattern.

Does Evil Really Exist?

Various people believe that forms of energy & consciousness may exist on several levels & they aren't always of a friendly nature.
http://www.ghosthuntingtheories.com/2014/06/are-we-besieged-by-interdimensional.html
There is a vast spectrum of consciousness ranging from the light to the darkness.
http://c-shapes.blogspot.ca/2009/11/c-manson-and-terror-cult-9-11-1967.html

http://c-shapes.blogspot.ca/search?q=666
If evil doesn't exist then someone sure has put one hell of an intersecting set of patterns together.
http://syncnotes.blogspot.ca/search?q=616 , 666 , 191 & 999...

Is There a Hidden Power Seeking to Ruin the World?

http://www.unknowncountry.com/dreamland/return-dark-lord
Well, Peter Levenda has extensively looked into this and other occult phenomenon.