In the early 17th century, El Greco painted several visions of St Francis of Assisi, but St Francis's Vision of the Flaming Torch stands out for its rare and enigmatic subject. Unlike the more familiar scenes of the saint receiving the stigmata, here Francis is transfixed by a burning torch—a motif that has puzzled scholars for centuries. No direct textual source describes this vision, and some art historians have speculated that it may reflect a personal meditation by El Greco on spiritual illumination.

The painting’s mysterious iconography continues to inspire debate: is the torch a symbol of divine love, or a reference to Francis's own fiery zeal? The moment El Greco captures is one of rapt attention: St Francis, robed in humble brown, kneels in a rocky landscape, his gaze locked on the supernatural flame before him. The torch, held aloft by an angel or suspended miraculously, bathes Francis’s face in an otherworldly light, setting him apart from the shadowed earth. The saint’s hands are clasped in prayer, and his expression is one of awe and surrender, suggesting a private revelation.

This differs markedly from the dramatic wounds and celestial hosts seen in Giotto’s famous frescoes of Francis; El Greco instead isolates the saint and the flame, focusing on the solitary encounter between human longing and divine fire. The provenance of St Francis's Vision of the Flaming Torch is not fully documented, but it belongs to a group of Franciscan subjects El Greco painted during his mature years in Toledo, around 1600. These works were likely commissioned by local monastic patrons, reflecting the city’s deep Franciscan ties. Over time, the painting has passed through various private and ecclesiastical collections, and its medium—whether oil on canvas or panel—remains uncertain due to the lack of early records.

Today, it is recognized as a striking example of El Greco’s late style, with its elongated forms and luminous color, and stands as a testament to his fascination with the inner life of saints.