They obtained from the Prince of Avellino, the old palace of the family Arcella, and surrounding houses, to build their monastery and church.
From 1681-1686, the nave of Latin cross plan was completed, and the main altar was designed by Lazzari with sculptures by Matteo Bottiglieri; the altar of the right transept was designed by Guglielmelli and houses a Holy Family painted by Pomarancio; the altar of the left transept was sculpted by Bartolomeo and Pietro Ghetti, designed by Vinaccia, and has statues by Giuseppe Sammartino and the Ghetti brothers, and hosts a painting by Luca Giordano.
The cupola was frescoed by Francesco de Mura; a chapel on the left has a Crucifixion by Giacinto Diano.
[2] At his death in 1689, his colleague Guglielmelli completed the nave, and began work for the atrium, whose construction lasted until 1725 following the disruptions of 1722 caused by some disputes between the neighboring monasteries.
Marcello after the death of his father in 1723, was soon replaced by Nicola Tagliacozzi Canale, who repaired the earthquake damage, and decorated the interior with inlaid marble.