Kammala wannan jumla: Mortaigne ya zama shugaban wani babban tawayen da ya gurgunta sojojin Sweden, yana neman biyan bashin da suka yi. A watan Yuli na shekara ta 1641, an gayyaci Mortaigne da Adam von Pfuhl zuwa Stockholm a matsayin wakilin 'yan tawaye. An daukaka Mortaigne zuwa brigadier janar kuma ya sami ƙasa a Pomerania, yayin da aka biya sauran sojojin adadin dala 486,200 don biyan bashin kambi. A lokacin shekara ta 1642, Mortaigne ya shiga cikin yakin Breitenfeld na biyu kuma daga baya ya ji rauni sosai a lokacin da ake fama da shi a kusa da Brieg. A shekara ta 1643, sojojin Mortaigne sun yi ta ɓarna a Moravia. A ranar 12 ga Fabrairu, 1645, rundunar sojojin daular ta kama shi a wajen Borna yayin da yake dauke da wasu muhimman takardu. An sake shi a kan fansa, daga baya ya umurci cibiyar Sweden a
Yaƙin Jankau. A shekara ta 1646, ya koma Landgraviate na Hesse-Kassel tare da amincewar Christina, Sarauniyar Sweden, ta karɓi mukamin Laftanar Janar. Ya jagoranci sojojin Hesse-Kassel a lokacin Yakin Hessian. A ranar 10 ga Yuli, 1647, wani harsashi ya murkushe ƙafarsa ta hagu, ya ji masa rauni sosai yayin da yake kewaye da Rheinfels Castle.