Formerly, O King, when Mahārāja Yudhiṣṭhira was performing the Rājasūya sacrifice, the great sage Nārada, responding to his inquiry, recited historical facts showing how the Supreme Personality of Godhead is always impartial, even when killing demons. In this regard he gave a vivid example.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
दृष्ट्वा महाद्भुतं राजा राजसूये महाक्रतौ । वासुदेवे भगवति सायुज्यं चेदिभूभुजः
dṛṣṭvā mahādbhutaṃ rājā rājasūye mahākratau | vāsudeve bhagavati sāyujyaṃ cedibhūbhujaḥ
SB 7.1.13