At Kusinārā 6.2

6.2

Imesañhi, ānanda, pañcannaṃ bhikkhusatānaṃ yo pacchimako bhikkhu so sotāpanno avinipātadhammo niyato sambodhiparāyaṇo”ti.

Even the last of these five hundred mendicants is a stream-enterer, not liable to be reborn in the underworld, assured, destined for awakening.”