The transept intersects the nave, closing on its sides with two valuable altars in polychrome marble. On them we can see on the left, a sculpture of the crucified Christ and, on the right, a beautiful painting dated 17th century, representing a Mass in memory of the souls in purgatory. The altars are decorated with Corinthian capital columns. On the top we see marble statues. On the altar of the Crucifix, the personification of Faith and Hope. On the altar of the Purgatory, we see Charity and Justice.
The painting, which gives this altar its name, is by an unknown artist, oil on canvas, 320x195 cm. Its style incorporates 16th century elements with 17th century colors and characters which emerge from the use of intense chiaroscuro. The scene is characterized by the intertwining of real and imaginary elements that, along with light and its contrasts, helps create a certain emotional involvement.
The characters in the foreground open the scene; their position in space creates a very theatrical representation, involving the viewer once again as it invites to look towards the Eucharist.