She also mentions that a blade might not be as much trouble as the black hole that Welt wields. After a little threatening, Acheron mentions that she's only in Penacony to fulfill a final wish and ...

Alongside the Penacony world, there will be a number of characters released: Sparkle, Robin, Acheron, and Boothill, all of which have a five-star rarity, according to early Honkai: Star Rail leaks.