There are however two main difficulties which prevent this re-evangelisation. (faith.org.uk)
The campaign contains three main difficulty settings and allows for up to 3 players to join in online co-op, allowing for public matches with any online players, privates matches with your friends or offline for those looking to do the campaign solo. (impulsegamer.com)
Unlike Dante's Bloody Palace, where the difficulty progresses through the 5 main difficulty levels, Vergil's Bloody palace starts on Nephilim difficulty for the first 20 waves, moves onto Son of Sparda difficulty, and ends with 20 waves of very challenging Vergil Must Die difficulty combat. (thekoalition.com)