Rubuta ci gaba ga wannan sakin layi - A watan Agusta, "Esmeralda" ya shiga cikin ayyukan jiragen ruwa na karshe na yakin ta hanyar tallafawa saukar sojojin majalisa a Quintero Bay. A ranar 17, ta yi ruwa kusa da Valparaíso kuma ta harbe harbi uku don faɗakar da dakarun shugaban kasa game da zuwan 'yan majalisa. A ranar 21, "Esmeralda" tare da corvettes da kuma shiga cikin sojojin kasa na shugaban kasa a lokacin yakin Concón
daga bakin kogin Aconcagua. Harbin bindigogin ba su kashe sojoji da yawa ba, amma ya lalata ƙarfin sojojin Shugaban ƙasa; "Scientific American" ya bayyana cewa harsashin su "ya haifar da mummunan bala'i". A ƙarshe a ranar 22, "Esmeralda" ya kai hari ga sansanin soja na Viña del Mar tare da ironclad, tare da sakamako mai nasara.