To counter the teaching of Lucaris , Metropolitan Petro Mohyla of Kiev drew up in Latin an Orthodox Confession in defense of transubstantiation .
It became virulent in 1629 , when Cyril Lucaris denied the doctrine of transubstantiation , using the Greek translation metousiosis for the concept .
To counter the teaching of Cyril Lucaris , Metropolitan Petro Mohyla of Kiev drew up in Latin an Orthodox Confession in defense of transubstantiation .
It became virulent in 1629 , when Cyril Lucaris denied the doctrine of transubstantiation , using the Greek translation metousiosis for the concept .