I'll carry it alone, you guys lie down

After hearing the server-wide announcement from the system, I don't know if the players in various regions of the Apocalypse World are shocked at this moment, but the Fengjuanyun Scavengers in the Dark Town are shocked.
Feng Juanyun: "Oh my god, I haven't seen any other BOSS except Skeleton King, and someone has killed a 3-star BOSS, is that a devil?"
Feng Qingyun: "That's too abnormal!"
Feng Xue: "This achievement has such rich rewards, and there's even a 5-star treasure chest..."
Scavenger:...