Kammala jumla mai zuwa: A ranar 27 ga Afrilu, rundunar ta tashi tare da bataliya ta 213, ta 216 da ta 230 zuwa gaban Vizcaya, yanzu a karkashin umarnin Joaquín Burgos Riestra. Bayan isowa a Vizcaya, an kara da shi zuwa Rukunin Basque na 2, yana sanya biyu daga cikin batalayenta a Amorebieta da wani a Miravalles. A lokacin yakin da
Yaƙin Bilbao, a ranar 13 ga Yuni an kusan lalata rukunin a kusa da abin da ake kira "Belt of Death" - na ƙarshe na layin tsaro wanda ya kare Bilbao. Duk da haka, ragowar ta, ta yi nasarar janyewa kuma daga baya ta koma Asturias.