Tranquil Underpass is the first dungeon in Ys IX: Monstrum Nox. Although its entrance is in the Central District, it can only be accessed from Agricultural District on the other side of the river. Crimson King's gift is required to get there.
Collectibles[]
Map of Tranquil Underpass
- Chest #1:
Leather Necklace - Chest #2:
Copper Ore x4 - Chest #3:
Raisins x2 - ★ marks location that need to use Crimson King's Crimson Line.
Enemies[]
| Name | Stats | Description | ||
|---|---|---|---|---|
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Moorgarth | LV: 4 HP: 60 Str: 36 Def: 41 Gold: 2 Exp: 9 Wk: 
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Massive larvae with a taste for rotting human flesh above all else. They use their sharp red rongues to assault prospective prey. Drop items:  
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Anxigas | LV: 5 HP: 95 Str: 52 Def: 24 Gold: 2 Exp: 14 Wk:
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A type of protozoan slime mold. They spread their spores by aimlessly shooting them in balls of fluid siphoned from the large amounts of water stored within their bodies. Drop items: 
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Bosses[]
| Name | Stats | Description | ||
|---|---|---|---|---|
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Gelzebub | LV: 6 HP: 1790 Str: 54 Def: 148 Exp: 381 Wk: None |
Raucous Winged Monarch - Gelzebub The King of the Flies who rules over the underpass as its domain. It stalks down prey with its foul secretions, summoning its bestial subjects to assist it. | |
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