“ The lengthy process to do something necessary or a magical scroll needed is inscribed on the other side of a great tapestry and can't be removed. For more fun it could be in the kings throne room. Try to hide in shadows with a 20*5 (yards/meters) monstrosity!”
“ A beautiful, green, peaceful pasture land, rolling hills and flesh grass, with boiling mud flats? And steaming geysers? What fun.”
“ What if a invisible person could see other invisible creatures? All you would need to do to check for nasties hiding around is turn invisible.”