The document discusses key elements of Gothic horror found in Frankenstein including melodrama, rejection of social norms, and creating a dark, threatening atmosphere. It explores Gothic horror's combination of horror and romance, as well as its focus on the unknown and forbidden. The intended effects of horror are to induce fear in readers by portraying monsters as threatening, impure, and incomplete beings that could potentially harm humans. Metonymy, where something represents something else, is a literary device often used to foreshadow disasters and create a sense of dread.