Kevattasutta 5.3

5.3

Tāya so bhikkhu anekavihitaṃ iddhividhaṃ paccanubhoti—ekopi hutvā bahudhā hoti, bahudhāpi hutvā eko hoti …pe… yāva brahmalokāpi kāyena vasaṃ vattetī’ti.

Using that a mendicant can perform such superhuman feats.’