 Although her family and friends urged her to leave Manila for her hometown as American, Filipino, and Japanese forces battled to control the city, Orosa refused, insisting that, as a soldier, she needed to remain at her post.On February 13, 1945, Orosa died of shrapnel wounds after being hit in her government office during an American bombing raid.The hospital to which she had been taken was later also bombed, causing a shrapnel shard to pierce her heart and kill her instantly.