this mod adds more bosses in to the game and there few for creative but almost all bosses are only survival and i am not sure will i keep updating this mod there is only 2 mini bosses and i will not tell them because you rather try it in game ok that was an joke but the some bosses for survial is blaze knight ancient evoker and ender wizard and lot more and mini bosses space vindicator captain and creepcow there is all