Mahabharata 1.16.22

तेषां संघर्षजश्चाग्निरर्चिर्भिः प्रज्वलन्मुहुःविद्युद्भिरिव नीलाभ्रमावृणोन्मन्दरं गिरिम्

teṣāṃ saṃgharṣajaścāgnirarcirbhiḥ prajvalanmuhuḥvidyudbhiriva nīlābhramāvṛṇonmandaraṃ girim

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