Horror Manor was a creepy level that Wario had to go through in Wario World. Most of the enemies are undead versions of the dinosaur enemies from Excitement Central. The mansion has three areas; the outside areas,(a graveyard and a courtyard) the inside of the manor, and the basement of the manor. The inside is actually quite normal-looking, but the strange basement of the manor contains many weird electric tricks and traps, along with the Brawl Doll boss.
Enemies here include Zombie Magons, Skelosaurs, Bone Cractyls, and Skeletal Ankirons.
Area-Specific Enemies include Door Spirits, Silver Door Spirits, and Swordfish.
The impediment here is the Big Bone-Fist.
All of Wario's Treasures in this area are objects that fit the theme of the Horror Manor.