The Councils were not new reveations of God, qua. The Councils met to deal with deviations from the faith, once deliveed, eternal and unchanging, so that heresies become more obvious.
I am still unclear on what sinners have to do with the continuing direct revelation of God with the Patristics
If I remember the thread in question, I stated that Christ established the Church but the sinners make up the Church. You came back and wrote that Protestants believe Christ made the Church. He did. We make up the Church.