The wealth of the Vatican belongs to the people who donated to the Church. The Roths do not own the Vatican. The devil has tried to destroy the Catholic Church for the last 2000 years. He will not succeed.
There has been spiritual warfare since the time of Adam and Eve. These realities are nothing new.
90% of Catholics are Roman Catholic. It is the head of the Church because Peter and Paul went to the Roman Church and died as martyrs there. The blood of the martyrs is the seed of the faith.