The God of the Judeo-Christian Tradition according to the Bible is All-knowing, All-Powerful and All-Good – and yet we have
Polytheistic beliefs led to the development not only of monotheistic religions but also of dualistic religions, which hold the belief that there are two opposing forces, namely good and evil. Unlike monotheism, dualism considers evil to be a separate and independent power that was not created by the good God nor is it subordinate to it. Dualistic religions argue that the universe is a constant battlefield between these two forces and that everything that happens in the world is part of this ongoing struggle.
“To make sense of the world, monotheism offers an explanation for order but struggles to comprehend evil, while dualism accounts for evil but finds it difficult to understand order.”
“A typical Christian believes in one God but also acknowledges the existence of the Devil, worships multiple saints like in polytheism and believes in ghosts like in animism.”