Mahabharata 7.173.54

न शक्तस्तानि मघवान्भेत्तुं सर्वायुधैरपिअथ सर्वेऽमरा रुद्रं जग्मुः शरणमर्दिताः

na śaktastāni maghavānbhettuṃ sarvāyudhairapiatha sarve'marā rudraṃ jagmuḥ śaraṇamarditāḥ

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