There are new mechanics for each encounter as well. During the dogs encounter, there are 8 bosses instead of 6 that have new paths. During the gauntlet encounter, there must be unique runners for each phase. During the baths encounter, the bathers will drop goo that will deplete your protection. In addition, if you don't one-phase the encounter, you must go to a designated plate to not wipe. During the Calus encounter, people in void room will be randomly swapped out by the person that punched the psion in the throne room.