Jo Maski is prepared for anything. Banshee? Check. Vampires? Check. Blue lightning shooting from her fingers? Uh, not check. When she saves her superhero sister from monsters, she joins the House of Mystery to learn more about her strange and quite unhelpful new powers. For some reason, the energy she releases helps monsters instead of disabling them. That could not have happened at a worse time. Monsters are appearing more frequently...