 Ramba uchiverenga ndima iyi - Guyot akapinda muHondo dzeChitatu neChitatu dzeMubatanidzwa neGrande Armée, aine chinzvimbo chemukuru wechikwata muGuardi chasseurs-à-cheval regiment uye achizivikanwa neushingi paAusterlitz neEylau. Akarwa muhondo duku yeWarren-Nossentin musi wa 1 November 1806. A colonel muImperial Guard muna 1807, akagadzirwa baron weHumambo gore rakatevera uye akapiwa chinzvimbo muLefebvre-Desnouettess Guard light cavalry, achiraira vatsigiri veMambo panguva yekushambadzira kwepfupi kwechipiri muSpain. Muna 1809, mushure mehondo yeropa yeAspern-Essling, Guyot akapiwa basa remukuru mukuru wevarindi chasseurs-à-cheval uye masvondo matanhatu gare gare akatungamira mhosva yakakurumbira muhondo yeWagram. Ichi chiito chaizomuunzira chinzvimbo cha brigadier general. Chamberlain weMambo Napoleon I kubva muna Kurume 1810, akazotumirwa kuSpain, kwaakakunda kukwidziridzwa kune mukuru wedhipatimendi muna 1811. Munguva yekurwisa kweRussia uye Hondo yeChitanhatu yeChimurenga yakazotevera, Guyot aizoshanda semutungamiriri weVachengeti chasseurs-à-cheval. Mumushandirapamwe wa1813 muSaxony, akakuvadzwa muhondo yeLützen uye akatungamira kupomerwa kwakapenya muhondo yeBautzen, asati asungwa muhondo yeKulm, muna Nyamavhuvhu. Asunungurwa pashure pokuchinjana vasungwa, Guyot akatora rutivi muhondo huru yeLeipzig, asati agadzirwa kuva count weHumambo muna November wegore iroro. Hondo ya1814 muFrance yakaona mukuru mukuru Guyot ari pakati pechiito, achiraira vatasvi vemabhiza paLa Rothière, Champaubertuye Craonne. 