Key facts
Boss · Bounty
Yumian Langjun
UnknownEnglish
Chinese name, not yet confirmed: 玉面郎君ReportedChineseName sources for Unnamed three-person bounty
No official frame with this name on screen yet
A three-person boss, according to gcores. Press-reported · gcores
First shown: The 2024 closed-door demo.
Sources so far: one Chinese report of the 2024 closed-door demo; no English name, no official video and no English-language preview.
Footage and phases
PendingNo video of this fight has been published, official or not, and the only description is one sentence in a Chinese demo report. The report says the boss is three people; it says nothing about phases or how the three fight together.
Yumian Langjun attacks and how to counter
PendingNo attack or counter has been described yet: filled in after launch (29 Oct 2026)
Where Yumian Langjun is fought and what it drops
- Drops gcores says beating this boss gives the weapon
Official Chinese name: 玉双环, which throws ring attacks. Official Chinese name: 玉双环 is the official Chinese name of 
Seamless Death: the same item panel names it in the game’s English and Chinese menus of the 2025 demo. Press-reported · gcores
To be confirmedWhere: where it is fought, beyond the 2024 closed-door demo, and whether the launch build keeps its drop (the weapons page has what the 2025 demo menus say about Seamless Death).