सविभीषणसुग्रीवास्ततस्तेवानरर्षभाः ।प्रतस्थिरेविनर्दन्तोनिश्चिताद्विषतांवधे ।।6.23.15।।
sa-vibhīṣaṇa-sugrīvās tatas te vānararṣabhāḥ | pratasthire vinardanto niścitā dviṣatāṁ vadhe ||
Then those best of the vānaras—together with Vibhīṣaṇa and Sugrīva—set forth with roaring cries, firmly resolved to slay their foes.
"Dreadful warriors, Bears, monkeys, and Rakshasas will be slain, and I foresee that which bodes destruction of people."
Dharma is loyal cooperation for a just cause: allies unite under rightful leadership, committing themselves to end aggression and restore moral order.
After Rama advances, the allied leaders and vānaras follow, roaring and moving as a determined force toward battle.
Collective resolve and loyalty—steadfast unity among allies (including Vibhīṣaṇa, who has chosen dharma over kinship).