human
Produce a detailed written description of a gloomy setting with a boss and pillars.
assistant
Four squat pillars of immense girth ring this cruciform room, their undressed stonework appearing all rougher by the harsh, flickering light cast from the great iron-shod torches mounted there. A large, rough-hewn boss is centered amid the heavy vaultwork, surrounded by strongly patterned mosaics. A rood screen, crafted from closely spaced vaalorn spears amid twining mistwood branches, spans the gap between the two eastern pillars.