Pedzisa mutsara unotevera: Pakupera kwa1937 iye akagoverwa kuHurumende yeHondo, uye muna April 1939 iye akagadzwa mukuru mukuru wenheyo yakagadzwa muBari, mukugadzirira kwe
kupinda muAlbania. Muna Chikumi 1939 akatora kutungamira kwemasevhisi eArmed Forces Command muTirana kusvika Gumiguru, paakadzokera kuBari saChief of Staff weIX Army Corps, chinzvimbo chaaive achiri nacho apo Italy yakapinda muHondo Yenyika II musi wa10 Chikumi 1940. Musi wa 1 Ndira 1942 akasimudzirwa kuva brigadier general uye mwedzi wakatevera akazove mutevedzeri wemutungamiri we132nd Armored Division Ariete (General Giuseppe De Stefanis), achirwa kuNorth Africa. Muna June 1942 akapiwa imwe Silver Medal yeMasoja Valour nokuda kwebasa rake muhondo yeGazala. Musi wa 28 Chikumi 1942 Arena yakatsiva De Stefanis (uyo akasimudzirwa kumakomando eXX Corps mushure mekufa kweGeneral Ettore Baldassarre) pakutungamira kwe "Ariete" kusvika 25 Chikunguru, apo General Adolfo Infante akapiwa kutungamira kwechikamu. Mushure mekunge Infante asiya kutungamira kwechikamu, musi wa17 Gunyana 1942, Arena akatorazve kutungamira uye nekudaro aive mutungamiriri wayo panguva yehondo yechipiri yeEl Alamein, umo chikamu chakaparadzwa.