Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 32
Sanskrit:
घातयिष्य इहानीतौ कालकल्पेन हस्तिना ।यदि मुक्तौ ततो मल्लैर्घातये वैद्युतोपमै: ॥ ३२ ॥
ITRANS:
ghātayiṣya ihānītaukāla-kalpena hastināyadi muktau tato mallairghātaye vaidyutopamaiḥ
Translation:
After you bring Kṛṣṇa and Balarāma, I will have Them killed by my elephant, who is as powerful as death itself. And if by chance They escape from him, I will have Them killed by my wrestlers, who are as strong as lightning.