Nihility users are one of the more unique paths in Honkai: Star Rail, given their different functions and synergies they can create with other teammates, or the varied utilities they bring to combat. While many recent Nihility characters like Black Swan showcase a DoT-oriented playstyle, Acheron presents a kit more akin to a main DPS unit, while also applying debuffs to enemies. Her unique kit enables her to deal massive damage, especially with more debuffs applied to enemies, and her Ultimate ability doesn't require energy regeneration but can only be activated after a certain number of debuff stacks are applied to the enemy.