Phantom Blade Zero White Serpent and Crimson Viper: Bai Chilian's Twin Serpents and the Dance They Build

Getting the White Serpent and Crimson Viper

Defeat Bai Chilian, Lady of the Twin Serpents, in the Crimson Forest. The community database lists it as found in the Crimson Forest and linked to that boss, and GameAY's weapon compendium gives the same obtain condition. It counts as a Dual-Wield Blade on the Blade roster.

The name travels: the community database writes it "White Serpent & Crimson Viper", the Chinese wiki calls it 白蟒赤练, and the trailer coverage promoted it as "White Python and Red Viper". The boss list has Bai Chilian waiting in the Crimson Forest section.

What it does in a fight

The community database figures for the launch build, current as of 2026-11-05:

GamesDB.gg ranks it Epic, and it is played on speed and combos. The weapon is a nimble, graceful short blade paired with a sinuous, powerful long blade, and the two dance like twin serpents through endless variations: continuously alternating attacks triggers the Twin Serpent Dance, which deals increasing damage with each hit.

Moves: Standard Combo, Sha-Chi Combo, Crimson Viper Orbit, Ranged Execution and Twin Serpent Frenzy. In the trailer footage the longer White Python launches the shorter Red Viper like a boomerang mid-combo, which matches the Ranged Execution move in the current moveset.

Taking it to level 30

The published perk list names the unlocks but not what each one changes, so read the effect on the upgrade screen before you spend. The combo payoff depends on how fast you can alternate the two blades, so the combat guide is a better read for the timing than the stat sheet.

What the upgrade ladder costs

The track runs 59 steps from level 1 to level 60 and costs Remnant Dust plus a metal and a solvent:

The published figures put the whole +1 to +59 ladder at 2,206,035 Remnant Dust, on top of those three metal and solvent tiers.

Soul Tempering

Hundred-Knot Serpents — a Serpent's Memory and 5,000 Remnant Dust. Soul Tempering unlocks at Chapter 4 and happens at Myst in the Order's underground tavern in Pangzhen, and it cannot be undone.

Where to go next

• The Blade roster — every Blade, its class and where it comes from.
• Combat guide — how to keep the alternating hits going.
• Sha-Chi — the bar the Sha-Chi Combo spends.
• Best weapons — the picks for bosses, crowds and shields.
• Phantom Edges — the two second-slot weapons that go with your Blades.