A majestic scene featuring a devout Sister of Battle in a dynamic pose, standing before a stained glass window. Her beautiful, symmetrical face is framed by dark eyebrows and makeup that highlights her reflective eyes. Dressed in sci-fi nun armor, she exudes a powerful presence within the Warhammer 40k universe. The setting includes marble walls with dust particles dancing in the air, highlighted by dramatic chiaroscuro and rim lighting from above. The atmosphere is captured in a professional majestic impressionism oil painting style, inspired by the works of Waterhouse, John Constable, Ed Blinkey, Atey Ghailan, Studio Ghibli, Jeremy Mann, Greg Manchess, and Antonio Moro. This high-detail, intricate composition trends on ArtStation and CGSociety, with influences from Makoto Shinkai Kyoto.