 Rambai muchinyora ndima ino - Achiri jaya, akabatana nevakuru vevarwi veMambo Frederick William I. Musi wa4 Nyamavhuvhu 1740 akava lieutenant wechipiri uye akabatana neboka rekutanga revarwi vevarwi veMambo Frederick II. Ikoko akagamuchira chinzvimbo chakaputeni. Musi wa 18 Chikumi 1745, akava mukuru wevashandi vevarindi, aine chinzvimbo chetezvara. MuHondo yekutanga yeSilesian, akatungamira rake rake grenadier battalion rinoumbwa nemakambani kubva kuRegiments Nhamba 5 Wedel uye Nhamba 20 Voigt. Hagen akagamuchira kutungamira kwechikwata chevarwi vehondo muHondo yechipiri yeSilesian, nguva ino kubva kumakambani eRegiments Nhamba 13 Truchsess uye Nhamba 37 Moulin. 