Water that has been In the Roman Catholic Church, the moment when, during the Eucharist, the bread and wine are transformed into the body and blood of Jesus, the so-called transubstantiation, by the pronouncement of the sacramental words. during the The nightly liturgical service on Easter eve. Easter Vigil is the most important religious ceremony. It is the feast of light, the feast of water and the feast of joy for Jesus’s resurrection. During this ceremony the new Easter Candle is blessed. and which is used for baptisms and ritual blessings.