Communion between the gods and us is brought about through theurgy.
Ἡ τῶν θεῶν πρὸς ἡμᾶς συνουσία διὰ τῆς θεουργίας ἀποτελεῖται.

Philosophers
Iamblichus
Born c. 245 in Chalcis, Syria, Iamblichus turned Neoplatonism from contemplation toward ritual. A pupil of Porphyry but his rival on theurgy, he founded the Apamea school and shaped the later course of Neoplatonism.
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Source: De mysteriis (Book II)Verified