Valmiki Ramayana Yuddha Kanda Sarga 80 Shloka 9

सकृत् by that action, होमसमिद्धस्य sacrificial fire, विधूमस्य by the smoke, महार्चिषः mighty flames, विजयम् signs of victory, दर्शयन्ति appeared, तानि in that, लिङ्कानि signs of, बभूवुःaroused

By that action of fire sacrifice, the mighty flames and the smoke that appeared from the mighty smokeless fire signifying victory appeared.