 He thereupon retired to some hermitage of the order.Leo assisted at Saint Clara's deathbed, 1253; after suffering many persecutions from the dominant party in the order he died at the Porziuncola in extreme old age, and his remains are buried in the Basilica of St. Francis.Much that is known concerning him is collected by Paul Sabatier in the "Introduction" to the "Speculum perfectionis"(The Mirror of Perfection).