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Fischl artwork
4ElectroBowMondstadt
IntroducedVersion 1.0
Event Wishes12 appearances
Latest appearanceVersion 6.6
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Profile affiliationAdventurers' Guild
Ascension statATK

Recent Endgame Usage

Overview

Fischl keeps Oz attacking while teammates drive reactions. Her quest-unlocked Hexerei branch also supplies ATK or EM buffs with a second Hexerei teammate. Sacrificial Bow can support shorter Klee rotations, while Rising Winds offers a separate, quest-dependent artifact option.

Role

Off-field Electro damage and conditional Hexerei support.

Playstyle

Plan Oz summons around the driver’s window; choose the refresh cadence for the team.

Why It Works

With her Homework complete and two Hexerei characters, Overloaded activates an ATK buff; Electro-Charged or Lunar-Charged activates an EM buff while Oz is present.

Watch For

The buffs need their actual reaction triggers. Aggravate alone does not activate them.

Playstyle

Combat Flow

Summon Oz → support setup → driver’s damage window → refresh Oz. Normally alternate Skill and Burst. Short Klee rotations can instead use Sacrificial Bow to reset Skill and Burst each rotation.

Key Notes

  • Complete Witch’s Homework: Of the Unexpected and include another Hexerei character for Secret Rite.

  • With Oz present, Overloaded grants 22.5% ATK for 10 seconds. Electro-Charged or Lunar-Charged grants 90 EM for 10 seconds to Fischl and nearby active party members.

  • A C6 coordinated attack doubles those Hexerei buffs for 10 seconds.

  • For 16–18-second Klee rotations, Sacrificial Bow needs R4 or higher. Its value is rotation-specific; Bennett teams can favor an offensive bow instead.

Build & Investment

Best Weapons

Offensive option · 5★

Polar Star

Strong CRIT and stack-based damage stats.

Reaction option · 4★

The Stringless

EM and Skill damage fit Aggravate.

Craftable option · 4★

Song of Stillness

Arrange healing before summoning Oz to activate its buff.

Short Klee rotations · R4+ · 4★

Sacrificial Bow

Skill resets improve Oz coverage in 16–18-second loops. This is not a universal replacement for damage bows.

Best Artifact Sets

Off-field damage · four pieces

Golden Troupe

Strongly benefits Oz and off-field Skill damage.

Homework-unlocked alternative · four pieces

A Day Carved From Rising Winds

Attack hits grant ATK and, after Homework, 20% CRIT Rate. It triggers off-field; account for its CRIT before choosing a circlet.

Klee team support · four pieces

Tenacity of the Millelith

Oz sustains the ATK buff when supporting the carry is worth more than Fischl’s personal damage.

Main Stats

Sands

  • ATK%
  • EM as an Aggravate alternativeAlternative

Goblet

  • Electro DMG Bonus

Circlet

  • CRIT Rate
  • CRIT DMGAlternative

Recommended Substats

  1. ER for the planned Oz loop
  2. CRIT
  3. ATK%
  4. Elemental Mastery in Aggravate

ER Requirements & Stat Targets

Solo-Electro ER · extended Oz loop
120–140%

Constellation Investment

C6

Extends Oz’s duration and adds coordinated attacks. After a coordinated hit, the quest-unlocked Hexerei ATK and EM buffs double for 10 seconds.

Teams