Lampylumen Myriad is in the underground Dust-Sealed Track beneath Tiger’s Maw Mine, south of Jinzhou—not on the mountain surface where its map marker may appear to point. Start at the Tiger’s Maw Mine Resonance Beacon, descend into the mine, drop through the large hole into the Dust-Sealed Track, then follow the cave passage past its Resonance Beacon to the boss arena.
Route to the Lampylumen Myriad boss
- Fast-travel to the Tiger’s Maw Mine Resonance Beacon. It is the starting point for the descent into the mine.
- Go down through the mine. Descend the ramps toward the deep central area. As landmarks, pass the first ramp on the left, take the next ramp down, then turn left down another ramp toward the large hole.
- Drop through the hole into the Dust-Sealed Track. The boss is underground; do not try to reach it by climbing toward the surface marker.
- Find the passage and follow it through the cave. After dropping in, turn around to find steps, then continue along the icy corridor toward the underground Resonance Beacon. Use these landmarks rather than relying on an exact compass direction.
- Activate the Dust-Sealed Track Resonance Beacon. Continue past it through the passage to reach Lampylumen Myriad’s arena.
PC Gamer’s route guide describes the mine descent and the steps and icy corridor after the drop; Prima Games and Game8 also place the boss in the Dust-Sealed Track and identify the underground beacon on the way. See PC Gamer’s route guide, Prima Games’ directions, and Game8’s location guide.
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What to do on later trips
Once activated, the Dust-Sealed Track Resonance Beacon gives you a nearby fast-travel point for returning to the area. Travel to it and continue through the passage toward the arena instead of repeating the full descent from Tiger’s Maw Mine. The route sources identify the beacon as the return-trip shortcut.
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Access requirements and rewards
PC Gamer reports that boss challenges unlock at Union Level 10. Prima Games additionally lists SOL3 Phase 2 as a requirement for Lampylumen Myriad and says the arena may be empty before then. These are guide-reported thresholds, not confirmed here against current official documentation, and may vary with game updates. If the challenge is unavailable or the arena is empty, check the in-game challenge prompt and your current progression requirements.
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The boss is a source of Sound-Keeping Tacet Core, which PC Gamer notes is needed by Baizhi. Check the character’s current upgrade requirements in-game before farming, since materials and requirements can change. More details are in PC Gamer’s Lampylumen Myriad guide and Prima Games’ boss guide.
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