If it is not clear to you yet that the Papacy is the anti-Christ system foretold in bible prophecy you should download PDF linked below

The Papacy is the Antichrist

https://pinkbunnies.club/file/download/file_file/43

If you were taught that the pope's authority came by apostolic succession from Peter then read what is written below the picture here:

The Chair Serves the Master

https://pinkbunnies.club/chungus-wopsaucus/gallery/1397/the-chair-serves-the-master