CCC 1105
© Libreria Editrice Vaticana Source: vatican.va
The Epiclesis ("invocation upon") is the intercession in which the priest begs the Father to send the Holy Spirit, the Sanctifier, so that the offerings may become the body and blood of Christ and that the faithful by receiving them, may themselves become a living offering to God. Cf. Rom 12:1.
Read the full chapter 1. The Paschal Mystery in the Age of the Church ¶1077–1134