Shloka 5.56.7
षट्पञ्चाशः सर्गः — वैदेही-आश्वासनम् तथा अरिष्टारोहणम् (Consoling Sita and Ascending Mount Arishta)
क्षिप्रमेष्यति काकुत्स्थः हर्यृक्षप्रवरैर्वृतः।यस्ते युधि विजित्यारीन् शोकं व्यपनयिष्यति।।।।
daśayojanavistāras triṃśadyojanam ucchritaḥ | dharaṇyāṃ samatāṃ yātaḥ sa babhūva dharādharaḥ ||
That mountain—ten yojanas in breadth and thirty yojanas in height—was brought down to level ground, made even with the earth.
"Rama will come soon with the best of vanaras and bears. He would win the battle and remove your sorrrow.
Dharma is shown as effectiveness in service: righteous intent is paired with capability, illustrating that duty in the Ramayana is not merely moral desire but also competent action.
The narration quantifies the mountain’s vast size and describes how it is flattened to the level of the earth.
Hanumān’s immeasurable strength (bala) implied through the scale of the transformation.