Valmiki Ramayana 6.76.39

तस्य तच्छुशुभे भूयः सशरं धनुरुत्तमम्।विद्युदैरावतार्चिष्माद्द्वितीयेन्द्रधनुर्यथा॥

tasya tacchuśubhe bhūyaḥ saśaraṃ dhanuruttamam |vidyudairāvatārciṣmāddvitīyendradhanuryathā ||

Our plain-language meaning of this verse is waiting for scholar review.