Kammala jumla mai zuwa: Bourcier ya kasance laftanan sojan doki a lokacin juyin juya halin Faransa da ke yaƙi da Sojojin Rhine a Yaƙin Ƙungiyar Farko. A lokacin Yaƙin Haɗin Kai na Biyu, an ɗaukaka shi zuwa brigadier general, kuma ya yi aiki a cikin Sojojin Danube a matsayin babban mai binciken sojan doki. A cikin yaƙe-yaƙe na Napoleon, ya yi yaƙi a manyan yaƙe-yaƙe a kan Danube akan Austria da Rasha, gami da yaƙe-yaƙe na Elchingen,
Austerlitz da yakin Wagram. Ya kuma shiga cikin yakin da aka yi wa Prussia, wanda ya ƙare a yakin Jena-Auerstadt da yakin Heilsberg da Friedland. Bayan yakin da aka yi a Prussia, ya yi aiki a takaice a cikin Yakin Peninsular bayan da aka mayar da shi zuwa arewacin Turai kuma ya shiga cikin Faransanci na Rasha a 1812. Bayan shan kashi na Napoleon a 1815, ya riƙe sunayen sarauta da girmamawa.