Sir Joseph Noel Paton’s The Adversary! (1876) is a compact yet powerful religious allegory that confronts viewers with a vividly rendered figure of Satan, directly tied to a chilling verse from the Gospel of Mark—“Where their worm dieth not, and the fire is not quenched”—which underscores eternal punishment and the stark consequences of spiritual defiance. Paton, a Scottish artist known for his intricate biblical and symbolic subjects, presents the Adversary not as a distant myth but as an active, malevolent presence, combining meticulous detail with theological weight to evoke fear and moral contemplation. The work’s small scale belies its intense thematic focus, using the demonic figure and associated iconography (such as serpentine elements often linked to evil) to dramatize the perpetual struggle between good and evil central to Paton’s late religious paintings.