Hydro Catalyst

Columbina

Welkin Moon's Homecoming

TierSS
RolesSub DPS · Support · Enabler
Release6.3

Columbina is the ultimate Lunar enabler. She raises the party's Moonsign by one level, turns Electro-Charged, Bloom and Hydro Crystallize into their Lunar versions, and adds Base DMG to every Lunar reaction based on her Max HP. Her Gravity Ripple applies Hydro from off-field and discharges powerful Gravity Interference hits, while her Burst makes the whole party's Lunar reactions hit harder.

Columbina

Off-field Lunar enabler

Weapons

Nocturne's Curtain Call BiS
5★ · CRIT DMG
Signature: HP, 14 Energy on Lunar reactions and +60% Lunar Reaction CRIT DMG. Best for both ER and damage.
+10% Max HP; Lunar reactions restore 14 Energy and grant +14% Max HP and +60% Lunar Reaction CRIT DMG for 12s.
Reliquary of Truth
5★ · CRIT DMG
Solid CRIT stat stick when her Energy needs are low.
+8% CRIT Rate; Skills grant +80 EM and Lunar-Bloom DMG grants +24% CRIT DMG, both boosted by 50% when active together.
Sacrificial Jade
4★ · CRIT Rate
Best 4-star: CRIT Rate, 32% HP and EM while off-field.
After 5s off-field, gains +32% Max HP and +40 Elemental Mastery.
Prototype Amber
4★ · HP%
Craftable: HP%, Energy and team healing if she Bursts every rotation.
Craftable: after a Burst, restores 12 Energy over 6s and heals the party for 4% HP every 2s.
Favonius Codex
4★ · Energy Recharge
Particles for the whole team, for Energy-hungry compositions.
CRIT hits have a 60% chance to generate particles that restore 6 Energy (once every 12s).

Artifacts

Silken Moon's Serenade ×4
General best: 20% ER, team EM and extra Lunar Reaction DMG, all working off-field.
Set effects
2pEnergy Recharge +20%.
4pDealing Elemental DMG gives the party +60/120 Elemental Mastery (Nascent/Ascendant Gleam) for 8s, and +10% Lunar Reaction DMG per different Gleaming Moon effect.
Aubade of Morningstar and Moon ×4
Higher personal damage at Ascendant Gleam if someone else wears Silken Moon's Serenade.
Set effects
2pElemental Mastery +80.
4pWhile off-field, the wearer's Lunar Reaction DMG is increased by 20%, plus 40% more at Ascendant Gleam (ends 3s after taking the field).
Tenacity of the Millelith ×4
HP and a party ATK buff; useful for ATK-scaling Lunar carries.
Set effects
2pHP +20%.
4pWhen an Elemental Skill hits, all nearby party members gain +20% ATK and +30% Shield Strength for 3s, even while the wearer is off-field.

Main stats

Sands of Eon
HP% / Energy Recharge
Goblet of Eonothem
HP%
Circlet of Logos
CRIT Rate / CRIT DMG

Substat priority

1Energy Recharge 2CRIT Rate 3CRIT DMG 4HP% 5Elemental Mastery

Stat targets

  • Max HP 30,000–35,000 (her passive caps at 35,000)
  • Energy Recharge about 160% with an ER weapon, 180% otherwise; 235–300% as the only Hydro unit if she Bursts every rotation (Nocturne's Curtain Call or Prototype Amber lower this by about 50 points)
  • CRIT Rate 60–80%, CRIT DMG 160–200%+

Talent priority

Elemental Skill
Elemental Burst
Normal Attack

Energy is her bottleneck: bursting every other rotation halves her ER needs if your team struggles.

Teams

Recommended teams

Lunar-Charged

Flins carries, Ineffa buffs Lunar-Charged and shields, Sucrose shares Elemental Mastery.

Lunar-Bloom

Nefer on-field with Lauma's Dendro and RES shred; Columbina provides Hydro and extra Dew, and Sucrose shares Elemental Mastery. Kuki Shinobu, Nahida or Zhongli can take the last slot.

Lunar-Crystallize

Zibai is the premier Lunar-Crystallize carry, with Illuga and Linnea as Geo supports.

Guide

How to play

How she works

  • Moonsign Benediction converts Electro-Charged, Bloom and Hydro Crystallize into Lunar-Charged, Lunar-Bloom and Lunar-Crystallize, raises the party's Moonsign by 1 level, and adds 0.2% Lunar Base DMG per 1,000 Max HP (up to +7% at 35,000 HP).
  • Eternal Tides (Skill, 25s duration, 17s cooldown) summons a Gravity Ripple that follows the active character and deals Hydro DMG. Whenever the party triggers or deals Lunar Reaction DMG, she builds Gravity; at 60 Gravity she unleashes Gravity Interference, whose type depends on the Lunar reaction that filled the gauge most.
  • Moonlit Melancholy (Burst, 60 Energy) creates a Lunar Domain for 20s: while the active character stands in it, the party's Lunar Reaction DMG is increased (up to 40% at talent level 10). Her A4 also adds extra lightning strikes, Moonridge Dew or Moondrift attacks depending on the reaction.
  • Lunacy's Lure gives her up to +15% CRIT Rate from Gravity Interference.

Rotation (off-field)

  1. Q then E (or E then Q) at the start of the rotation.
  2. Swap to your Lunar damage dealer and play them normally.
  3. Recast her Skill when it comes back; the Burst every rotation if your Energy allows.

In Lunar-Bloom teams she can also be played on-field: her Charged Attack consumes Verdant Dew to deal Lunar-Bloom DMG.

Strengths

  • Enables all three Lunar reactions and raises Moonsign by herself
  • Strong off-field Hydro application and personal damage
  • Party-wide Lunar Reaction DMG buff from her Burst
  • Simple HP-based scaling, with a revive passive for exploring Nod-Krai

Weaknesses

  • Reaches her full potential only in Lunar teams
  • Juggles HP, Energy Recharge and CRIT, which makes her artifacts demanding
  • Very high Energy needs as the only Hydro unit

Notable dupes · Constellation

C1
Solid upgrade

Instant Gravity Interference on Skill, plus Energy, interruption resistance or a shield depending on the reaction.

C2
Big upgrade

34% faster Gravity, +40% Max HP and a stat buff for the active character: the best stopping point.

C6
Big upgrade

+80% CRIT DMG for the elements involved in each Lunar reaction, for the whole party.

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