De Sonnac's tenure was a particularly violent one. By 1247, the Christians had lost power bases in Tiberias, Mount Tabor, Belvoir and Ascalon. This prompted a fresh campaign from King Louis IX of France, who landed at Limassol, Cyprus on 17 September 1248. De Sonnac sailed from Acre to meet him and make preparations. Shortly after, the new Grand Master received an Emir from the Sultan, offering the crusaders a peace deal. De Sonnac related this to the French King, who ordered him to cease any negotiations without gaining Royal permission first. This ensured the new campaign would be concluded with violence, not diplomacy.