Rebecca Build Guide: Best Weapons, Gear, Teams

The Cyberpunk: Edgerunners collab brings more than just style to Wuthering Waves—it drops a fierce 5-Star Resonator right into your lap. Rebecca is an Electro Pistols unit who can absolutely shred enemies with her rapid-fire combos and, more importantly, massively amplify Heavy Attack DMG for the whole team. Whether you need a relentless on-field carry or a hyper-aggressive sub-DPS to buff your main damage dealer, this pint-sized edgerunner has you covered. In this guide, we will break down her unique stance-switching playstyle, best weapons, optimal Echo sets, top-tier team comps, and why you absolutely should invest your resources into building her.

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Who is Rebecca and What is Their Playstyle?

Rebecca is a 5-Star Electro Resonator who wields Pistols. She steps into Wuthering Waves as an incredibly aggressive Sub-DPS and damage amplifier. Instead of just standing in the backline, this character gets right in the enemy's face, swapping between two distinct combat stances to shred armor and boost her critical hits.

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Her core playstyle revolves around generating energy quickly, applying the unique Hack - Shifting debuff, and boosting the Heavy Attack DMG of your main carry. Once she hits the field, she unleashes a storm of bullets before pulling out a massive heavy machine gun during her ultimate. If you need a fierce sub-DPS who buffs your team while dealing serious Electro damage, this gunner is exactly what your roster needs.

How Do Rebecca's Skills Work?

Her kit is incredibly fast-paced, focusing on stance-switching and managing two unique resources: Fervor and Hot Hand. Here is a breakdown of her core mechanics:

Forte Circuit (Gloves Are Off!): This Resonator can freely switch between two stances using her Resonance Skill or Intro Skill.
- Huntress Stance: Increases her Crit DMG by a massive 30%.
- Guts Stance: Allows her attacks to ignore 15% of the enemy's DEF.
Fervor & Heavy Attacks: As she lands normal attacks and skills, she builds up Fervor. At 120 points, her standard Heavy Attack upgrades into a devastating rapid-fire barrage (Rat-tat-tat! or Bang-bang-bang! depending on her stance).
Hack - Shifting: Landing her Intro Skills, enhanced Heavy Attacks, or her Ultimate applies the Hack - Shifting debuff to enemies. This triggers Hack Response - Meltdown, dealing massive bonus Hack DMG when teammates hit the target.
Resonance Liberation (Party 'til Dawn!): She pulls out her Mk. 31 HMG and enters a stationary turret mode for 9 seconds. While firing, she gains 50% DMG Reduction and immunity to interruption. When the mode ends (or maxes out on Overload), she casts BOOM! Fireworks! for a huge burst of Electro DMG.

Recommended Combat Rotation

Step 1: Start with your support (like Shorekeeper) to set up team-wide buffs and healing zones.
Step 2: Trigger Rebecca's Intro Skill to enter the fight, deal Electro damage, and instantly apply Hack - Shifting to the target.
Step 3: Use her Resonance Skill to swap stances based on what you need (Huntress for Crit, Guts for DEF ignore) and build Fervor.
Step 4: At 120 Fervor, hold the attack button to unleash her enhanced Forte Heavy Attack.
Step 5: Cast her Resonance Liberation. Tank through enemy hits using her 50% damage reduction, finish with the big explosion, and then swap to your main DPS.

What is the Best Weapon for Rebecca?

Best-in-Slot: Skull Thrasher (5-Star Pistol)

The Skull Thrasher is her signature weapon and the absolute best choice for her kit. It provides a massive 72% Crit DMG stat at level 90. Furthermore, the passive ability increases her ATK by 12%. When she uses her Intro Skill, her Basic Attack DMG jumps by 24%. Best of all, when she inflicts Hack - Shifting, she gets even more Basic Attack DMG, and the entire team gains a 30% ATK buff. It turns your sub-DPS into an elite team buffer.

Budget and F2P Options

If you do not have her signature weapon, you still have some solid premium and budget options:

Phasic Homogenizer (5-Star): A great alternative that provides 48.6% Crit DMG and high base ATK. Its passive grants a 20% All-Attribute DMG Bonus to the wielder after any teammate casts a Tune Break skill.
Relativistic Jet (4-Star): A strong budget pick that grants 18.2% ATK. Casting a Resonance Skill gives her 6 Resonance Energy and another 10% ATK buff, helping her cycle her heavy machine gun Ultimate much faster.

Which Gear and Stats Maximize Rebecca's Damage?

To get the most out of this Electro gunner, you need to balance her personal damage with her ability to cycle her Ultimate. You should aim for a 5-piece Void Thunder set to maximize her Electro output.

Main Stats Priority

4-cost Echo: Crit Rate or Crit DMG (Aim for a 1:2 ratio. Remember that her Huntress stance gives free Crit DMG, so Crit Rate is very valuable here).
3-cost Echoes: Electro DMG Bonus x2.
1-cost Echoes: ATK% x2.

Substat Priority

Crit Rate / Crit DMG
Basic Attack DMG Bonus
Energy Regen (You want her Ultimate ready every rotation)
ATK%
Flat ATK

What Are the Best Team Comps for Rebecca?

This character shines brightest when paired with a main DPS who relies on Heavy Attacks and can exploit the Hack debuff.
Rebecca best team comps and synergy with Lucy in Wuthering Waves

The Edgerunners Synergy Team

Main DPS: Lucy
Sub-DPS: Rebecca
Support/Healer: Shorekeeper

How it works: This is currently her strongest setup. Shorekeeper starts the rotation by dropping her Stellarealm, pulling enemies in, and granting the team massive Crit Rate and Crit DMG buffs. Your Electro sub-DPS tags in next, using her Intro Skill to apply Hack - Shifting and dropping her HMG turret to soften up the field. Because of her inherent skills, she buffs the team's Heavy Attack DMG Amplification. Finally, you swap to Lucy. Lucy deals Spectro DMG and exploits the Hack debuff with Hack Response - Data Crash. Thanks to the heavy attack buffs from your sub-DPS and the crit buffs from Shorekeeper, Lucy's burst window will melt bosses in seconds.

What Materials Are Needed to Upgrade Rebecca?

To max out her level and skills, you will need to farm the following materials.
Rebecca ascension and skill upgrade materials list in Wuthering Waves

Character Ascension & Skill Materials:

Currency: 2,200,000 Shell Credits
Boss Drops: Nightmare Flashdrive (x46), We Who Question (x26)
Common Drops (Mech Cores): LF (x29), MF (x40), HF (x52), FF (x61)
Weekly/Special Drops (Combustors): Incomplete (x25), Aftertune (x28), Remnant (x55), Reverb (x67)

Skull Thrasher (Weapon) Materials:

Currency: 330,000 Shell Credits
Exoswarm Pendants: Fractured (x6), Worn (x6), Chipped (x10), Intact (x12)
Combustors: Incomplete (x6), Aftertune (x8), Remnant (x6), Reverb (x20)

Which Constellations (Resonance Chain) Are Worth Getting?

Her Resonance Chains provide massive utility and damage spikes. Here is the breakdown:

Level	Effect	Verdict
R1. Try Not to Get in the Way!	Heavy/Basic Attack DMG Multipliers increased by 50%. Dodging restores Stamina. Ultimate becomes immune to interruption.	Great value. Makes her combat loop much smoother and safer.
R2. Oh, Hey Choom!	Intro and Ultimate grant 20% All-Attribute DMG to the team. Inflicting Hack - Shifting grants 15% All DMG Amplification.	Best Stopping Point. This turns her into an unstoppable team buffer.
R3. Don't Sweat Your Six!	Ultimate and BOOM! Fireworks DMG increased by 60%. Intro Skill instantly grants 120 Hot Hand.	Strong for personal DPS. Huge burst damage increase.
R4. Got Ya Covered!	Gains an additional 60% Stat increase from her Forte Circuit.	Good. A solid overall stat stick.
R5. Dreamin' on the Edge	Gains a 20% Basic Attack DMG Bonus for 8s when applying Hack - Shifting.	Decent. Boosts her on-field damage window.
R6. Maybe, Just Maybe...	Basic Attack DMG Bonus increased by 50%. Forte Heavy Attacks deal an extra instance of damage. Out of combat Fervor regen.	Whale territory. Makes her an absolute monster, but very expensive.

Is Rebecca Worth Pulling?

Yes, she is absolutely worth pulling and building. Whether you need an aggressive on-field fighter or a top-tier amplifier, she delivers. Her ability to freely grant her team Heavy Attack DMG Amplification and All-DMG buffs makes her future-proof for any heavy-attack-focused carry. Her stance switching makes her highly adaptable, allowing you to choose between raw critical damage or armor penetration depending on the enemy. While being locked in place during her Ultimate can be risky, the built-in 50% damage reduction makes it easily manageable. If you plan on playing Lucy, this Electro Resonator is practically mandatory.

Frequently Asked Questions (FAQ)

Does Rebecca have energy issues during her rotation?

Because her Resonance Liberation costs 125 Energy, she can sometimes struggle to get her Ultimate back on cooldown if you swap her out too fast. Running an Energy Regen substat on your echoes, or using a weapon like the Relativistic Jet, will help smooth out her rotation so she can deploy her heavy machine gun in every fight.

Is it safe to use her Ultimate since she cannot move?

Yes! While she is completely immobile during the Mk. 31 HMG mode, she gains 50% DMG Reduction and is immune to interruption. As long as you drop a healer's ability (like Shorekeeper's Stellarealm) before she starts firing, this character can comfortably tank through enemy combos without dying.

Should I stay in the Huntress stance or the Guts stance?

For most general combat, you will want to stay in the Huntress stance because the 30% Crit DMG boost is incredibly powerful for her rapid-fire basic attacks. However, if you are fighting a high-level hologram boss or an enemy with massive defense, swapping to the Guts stance to ignore 15% of their DEF will yield higher overall damage.