It’s the year 89. A group of Roman senators has arrived at a banquet hosted by Emperor Domitian. Instead of a warm, convivial scene of free-flowing wine and comfortable couches, they find a totally black room, from the walls to the dishes. At each of their seats stands a personalized tombstone. Boys, naked and painted black, enter “like phantoms” and dance about the room. And the food? Not only is it black as well, but the menu consists of foods typically offered to the dead. According to the third-century historian…