Head to the party wearing the Spider Mistress Plus Womens Costume and you'll have everybody bowing down to you by the end of the night. As the Arachnid Queen, you are the unquestioned master of all spiders and eight legged creatures. Featuring a stunning black dress with jagged edges, as well as a black sheer spider web cape, you are going to feel beyond powerful this year when you're sporting this dark and mysterious look.