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Space Invasion - The Custom Boss Rush

This mod adds a custom boss rush to the game, you can encounter it at the dark room or chest, pick the special item from the starting room and the boss fights will start, you will face a group of 12 bosses, once you defeat all of then you will receive 4 random items and have a chance of opening the void portal to the void

this mod is included in a modpack that contains all of my bosses now, check it here: https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=3033271838

that's it, have fun!