For 10 points, name this patron saint of Ireland.
This man was preceded in his chief office by Palladius. This author of a Letter to the Soldiers of Coroticus wrote the Confessio, which recalls a dream in which Victoricus gives him the letter that spurred his mission. Legend holds that it took so long for this man's teachings of the Gospel to take hold that his ash walking stick took root in the ground while he was preaching and became a tree. He legendarily drove all the snakes from his adopted homeland and used the three-leaved shamrock to explain the Holy Trinity. For 10 points, name this patron saint of Ireland.
This man was preceded in his chief office by Palladius. This author of a Letter to the Soldiers of Coroticus wrote the Confessio, which recalls a dream in which Victoricus gives him the letter that spurred his mission.
Saint Patrick