Kammala jumla mai zuwa: A ranar 9 ga Fabrairu, 1805, an sanya shi tare da mukamin Laftanar zuwa 108th Regiment of Line Infantry, wanda Kanar Joseph Higonet, ɗan'uwansa ya umurce shi. Ya kasance wani ɓangare na 3rd Corps na Marshal Marshal Davout. A ranar 8 ga Nuwamba 1805, ya shiga cikin yakin Mariazell inda aka bayyana halinsa a matsayin "mai ƙarfin zuciya da haske". Bayan 'yan kwanaki, a ranar 2 ga Disamba, 1805, ya sake nuna kansa a
Yaƙin Austerlitz inda aka ji masa rauni a cinyarsa ta dama.