Calvinists were converted. The Congregation of the Doctrine of the Faith commissioned Fidelis to preach in the Graubünden region of eastern Switzerland. Eight other Capuchin friars were to be his assistants, and they labored in this mission under his direction. The Calvinists of that territory, being incensed at his success in converting their brethren, loudly threatened Fidelis' life, and he prepared himself for martyrdom. Ralph de Salis and another Calvinist gentleman were both converted by his missionary efforts. Fidelis and his companions entered into Prättigau, a small district of Graubünden, in 1622, on the Feast of the Epiphany, January 6. The effects of his ardent zeal, about which the Bishop of Coire sent a lengthy and full account to the Congregation for the Propagation of the Faith, enraged the Calvinists in that province. On 24 April 1622, Fidelis made his confession, celebrated Mass and then preached at Grüsch. At the end of his sermon, which he had delivered with more than ordinary zeal, he stood silent all of a sudden, with his eyes fixed upon Heaven, in ecstasy. He foretold his death to several persons in the clearest terms, and began signing his letters, "P. Fidelis, prope diem esca vermium" ("Father Fidelis, in days ahead to become food for worms"). After the service at Grüsch he and several companions traveled to Seewis. His companions noted that he was particularly cheerful. Death On 24 April, in a campaign organized by the Habsburgs, Fidelis was preaching under protection of some Austrian imperial soldiers in the Church at Seewis with the aim of reconverting the people of Seewis to Catholicism. During the sermon, his listeners were called "to arms" by the Calvinist agitators outside. Some of the people went to face the Austrian troops outside the church. Fidelis had been persuaded by the remaining Catholics to immediately flee with the Austrian troops out of Seewis, which he did, but then returned alone to Grüsch. On his way back he was confronted by 20 Calvinist soldiers who demanded unsuccessfully that he renounce the Catholic faith, and when he refused, they subsequently murdered him. A local account: From Grüsch he went to preach at Seewis, where, with great energy, he exhorted the Catholics to constancy in the faith. After a Calvinist had discharged his musket at him in the Church, the Catholics entreated him to leave the place. He answered that death was his gain