Belief in the existence of a god or gods, especially belief in a personal God as creator and ruler of the world.
the·istic, the·isti·cal adj.
The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
Definition of SATANISM
: obsession with or affinity for evil; specifically : worship of Satan (a Judaic Deity, some sects accept others he is the opposition of God.
By adding these two together you get the sum of it all I would assume!