In the passage, the lines that create a sad or melancholic mood are:
1. La ruptura en el corazón
2. Al reloj de arena del alma.
3. El grito del corazón 'Hasta que deje de latir.
These lines evoke feelings of sadness and heartbreak. The mention of a "rupture in the heart," a "soul's hourglass," and the "cry of the heart until it stops beating" all contribute to a sense of sorrow and melancholy in the passage. These phrases use imagery and emotive language to convey a feeling of deep sadness, setting a somber tone for the reader.
