 The chapel has a Baroque style and is very small, covered by a stonework vault covered in gilded woodcarving and tabernacle.Saint Barbara, patron saint of artillery, and an image of baby Jesus with the heart in hand, patron of the ancient Jesuit congregation, are venerated in there.During the Peninsular war and under the grand strategy Napoleon drafted, which included the invasion of Portugal using the corps of French Marshal Jean-de-Dieu Soult, the fortress of Póvoa de Varzim and that of Vila do Conde, in close proximity, were taken by French troops in late March 1809, as there were few troops in the region.