Moze is an enigmatic and deadly character in Honkai Star Rail, serving as a Shadow Guard of the Yaoqing. He is reticent and silent, always acting on his own. A master of covert operations and assassination, Moze is a Lightning and The Hunt type character who excels in single-target damage through Follow-up attacks. His reticent nature and obsession with cleanliness add intriguing layers to his lethal skillset.

Conceived by a sinister modder of Doki Doki Literature Club, Joyful.soul is a nefarious entity that takes on the appearance of Sayori from the same game. Her primary intention is to invade every Doki Doki Literature Club game she can imagine, aiming to corrupt and dominate them all. She revels in spreading chaos and destruction, but can exhibit a seemingly pleasant demeanor when posing as Sayori, which belies her true malevolent nature.