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Emma: Tactical Upgrade thumbnail

Emma: Tactical Upgrade

Rarity
SSR
Manufacturer
Elysion
Class
Supporter
Weapon
Machine Gun
Element
Fire
Burst
Type 1

Released 8/7/2025

Character guidewiki

This guide was translated into English by AI from the Korean version. View original (Korean)

Overall rating

A Fire Code Burst 1 Submachine Gun support Nikke.
Used with Eunhwa, she stacks increased damage taken, healing, and DEF-ignoring damage buffs to boost team firepower.
Her standalone performance is low, so she's rarely a main pick and usually serves as the support pillar of the Tactical pairing.

Skill mechanics

At battle start, increases enemies' damage taken and heals allies. Alone, it cycles every 30 seconds with long gaps, and constant taunt is on, making survival a burden.

When Eunhwa's AS Formation is applied, 's extra effect unlocks, adding team DEF-ignoring damage and Projectile Explosion Damage buffs. At the same time, constant taunt turns off and the cycle shortens, improving uptime.

Her Burst gives a team ATK buff and, while is active, strengthens the damage-taken multiplier and healing amount. Her Burst cooldown is 20 seconds.

How to use

Auto works by default.
Used alone without Eunhwa, her constant taunt tends to get her killed first, so it's not recommended.
With Eunhwa, just press her Burst whenever it's up so the enemy damage-taken increase and ally healing boost never lapse.

Synergy Nikkes

She's more valuable in lineups with Eunhwa and Vesti than on her own.

Eunhwa: Tactical Upgrade
Vesti: Tactical Upgrade
• Eunhwa: Tactical Upgrade —

With AS Formation applied, 's extra effect unlocks, securing both taunt removal and a DEF-ignoring damage buff.

• Vesti: Tactical Upgrade —

Receives both Emma's and Eunhwa's buffs, sharply boosting DEF-ignore-focused firepower.

Recommended cubes

1Resilience Cube2Bastion Cube3Wingman Cube

Prioritize ammo count and reload support, and fill whichever is lacking with higher-level Harmony Cubes.

Overload options

  • Increased Elemental Advantage Dmg · ×4
  • Increased ATK · ×4
  • Increased Max Ammunition Capacity · ×2

Elemental Advantage damage and ATK are the baseline; supplement ammo count to reduce Submachine Gun downtime.

Skill investment

4/7/4Minimum→4/10/7Value→7/10/7Endgame

S2 () is the core, so give it top priority. S1 and Burst are secondary investments for uptime and buff reinforcement.

Best for

CampaignRaidsTowerArena (PvP)

Rather than a solo main pick, she's used as Tactical pairing support in Fire Raids and boss fights. Using her alone without Eunhwa is rare.

Pros

Paired with Eunhwa, she provides increased damage taken, healing, and DEF-ignoring damage buffs all at once.
Her Burst gives a team ATK buff and strengthens .

Cons and caveats

Running her alone, the constant taunt burden makes survival shaky.
She depends heavily on Eunhwa, so her efficiency drops sharply if the pairing isn't complete.
She has no Burst cooldown reduction, so you may need separate CDR support.