Halloween and blood decor goes perfectly together. Some people can go overboard with this. Let’s just discuss some possibilities so it looks simple yet scary.
For the blood decor, blood splatter decorations can be done you can splatter some red color onto the walls of your house, but make sure to use that are easily removable after so it don’t damage your walls. You can also place blood rug with it in different rooms to go well with the blood decor. Or you can also place a bloody floor mat on the floor of you sitting area or some other room which will perfectly compliment the blood decorations.
Horror mug can also be placed with this decoration as it will add to the scariness of the house. For your bathroom to go with the rest of the decorations you can place blood mat for your bathroom like you have done with rest of the house.