Nicholas Roerich created "The Last Angel" using tempera on canvas, a traditional medium capable of producing luminous, matte surfaces. Roerich's choice of tempera, a technique dating back to antiquity, imbues the work with a sense of timelessness and spiritual depth. The angel, rendered in earthy reds and oranges, rises amidst a landscape consumed by fire, its presence both protective and mournful. Tempera dries quickly, demanding precision and control. Roerich's application is smooth, with subtle gradations of color that create a dreamlike atmosphere. The layering of pigments suggests a meticulous process, each stroke contributing to the overall emotional intensity. The angel's stylized form and the flattened perspective reflect Roerich's interest in early religious painting. The medium itself becomes a vehicle for conveying a sense of cultural memory and artistic tradition, bridging the gap between past and present, fine art and craft. Understanding these qualities, we grasp the importance of materiality in Roerich's vision.