In this extraordinary multi-universe, because of the relationship between "name" and "existence" coordinates, professionals often need several pseudonyms at a certain level.
But their most resounding one usually represents their highest achievement, or the life story most known to the world.
Take, for instance, the stages in a professional's life could be encapsulated as "Bloody Twin Swords," "Explosive Twister," "Death Reaper," "Left-handed Sword God".... Perhaps slightly malicious, perhaps somewhat decisive, but in most cases, indeed, you can tell what they do by their name, and when you meet them, they do live up to their reputation, only this time....
"Enslavement Kitty Lu Ping'an.... Uh, is this the world's malice?!"
But when Lu Ping'an's first moniker among high-level professionals spread, both he and "Meow" sensed a thick malice.
"Meow?!"