Mahabharata 7.152.42

तद्दृष्ट्वा राक्षसेन्द्रस्य घोरं कर्म भयावहम्भीमसेनः प्रहृष्टात्मा गदामाशु परामृशत्

taddṛṣṭvā rākṣasendrasya ghoraṃ karma bhayāvahambhīmasenaḥ prahṛṣṭātmā gadāmāśu parāmṛśat

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