Mahabharata 8.52.24

अद्य दुःखमहं मोक्ष्ये त्रयोदशसमार्जितम्हत्वा कर्णं रणे कृष्ण शम्बरं मघवानिव

adya duḥkhamahaṃ mokṣye trayodaśasamārjitamhatvā karṇaṃ raṇe kṛṣṇa śambaraṃ maghavāniva

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