You should know that each of the false gods possessed such dreadful power, enough for humankind to consider them true gods. However, much of that power came from a True God whom they revered and, through the prayer of normal humans, they received small benefits... Of course, the talent and skill of each of them was an extremely important factor in getting where they were as well.
If one or two of these people joined together to attack, even the Rothschild family, a family with several centuries of history and accumulation of power, would suffer a terrible price. Although the Rothschilds possessed military might comparable to that of a world power, the power of normal modern firearms could not compare to the destructive power of the false gods.