Canto 3 -
Araṇya-kāṇḍa
Chapter 5: Rāma Meets Sage Śarabhaṅga
Text 3.5.4

समीपे शरभङ्गस्य ददर्श महदद्भुतम्।
विभ्राजमानं वपुषा सूर्यवैश्वानरोपमम्॥

samīpe śarabhaṅgasya dadarśa mahad adbhutam
vibhrājamānaṁ vapuṣā sūrya-vaiśvānaropamam

samīpe = near; śarabhaṅgasya = Śarabhaṅga; dadarśa = He saw; mahat = a greatly; adbhutam = wonderful being; vibhrājamānam = shone; vapuṣā = whose body; sūrya-vaiśvānara-upamam = like the sun and fire.

He saw a greatly wonderful being near Śarabhaṅga whose body shone like the sun and fire.

“Fire” [here] refers to sources of illumination distinct from the sun.