Verse 12

अथ कालेन बहुना बुद्धिस्तस्य बभूव ह ।विदेहमुक्तस्तिष्ठामि देहं त्यक्त्वेति निश्चला

In plain words

Then, after a long time, a firm resolve arose in him indeed: 'Having cast off the body, I shall abide as a videhamukta.'