Is It Easy for One to Tip Into the Other?

There is a whole group of phenomena, for example, armies battling in the sky, three suns in the sky and monstrous births. These are associated with portents - ominous messages that something cataclysmic is about to happen. That tradition is still very much alive in the sixteenth and seventeenth century. In fact, the printing press, in a sense, gives it a new lease on life because it's possible to print illustrated broadsides.