Zwei

Electric

Shotgun

Supporter

Burst 1

Elysion Tier 5 Treasure: Tier 2

Increase pierce damage (allies)Increase pierce damage (self)Cover repairCritical rate buff (allies)Critical rate buff (self)Treasure (favorite item)

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Skills

Weapon

Shotgun

9 Ammo1.5s Reload

■ Affects target(s).
Deals 100.75% of ATK as damage.
Deals 200% damage when attacking core.

Skill 1

Pierce Equation

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 11.89% for 1 round(s).
Pierce Damage ▲ 5.94% for 10 sec.

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 12.81% for 1 round(s).
Pierce Damage ▲ 6.4% for 10 sec.

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 13.72% for 1 round(s).
Pierce Damage ▲ 6.86% for 10 sec.

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 14.64% for 1 round(s).
Pierce Damage ▲ 7.32% for 10 sec.

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 15.55% for 1 round(s).
Pierce Damage ▲ 7.77% for 10 sec.

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 16.47% for 1 round(s).
Pierce Damage ▲ 8.23% for 10 sec.

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 17.38% for 1 round(s).
Pierce Damage ▲ 8.69% for 10 sec.

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 18.3% for 1 round(s).
Pierce Damage ▲ 9.15% for 10 sec.

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 19.21% for 1 round(s).
Pierce Damage ▲ 9.6% for 10 sec.

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 20.13% for 1 round(s).
Pierce Damage ▲ 10.06% for 10 sec.

Skill 2

Frame Analysis

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 4.38% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 11.01% for 5 sec.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 4.73% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 11.86% for 5 sec.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 5.08% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 12.7% for 5 sec.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 5.43% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 13.55% for 5 sec.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 5.78% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 14.4% for 5 sec.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 6.13% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 15.25% for 5 sec.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 6.48% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 16.09% for 5 sec.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 6.83% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 16.94% for 5 sec.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 7.17% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 17.79% for 5 sec.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 7.52% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 18.63% for 5 sec.

Burst

Overcharge Formula

20 sec Cooldown

■ Affects self.
Changes the weapon in use:
Charge Time: 1.5 sec
Damage: 29.95% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Damage ▲ 9.15% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.5 sec
Damage: 32.26% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Damage ▲ 9.85% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.5 sec
Damage: 34.56% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Damage ▲ 10.56% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.5 sec
Damage: 36.86% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Damage ▲ 11.26% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.5 sec
Damage: 39.17% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Damage ▲ 11.96% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.5 sec
Damage: 41.47% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Damage ▲ 12.67% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.5 sec
Damage: 43.78% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Damage ▲ 13.37% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.5 sec
Damage: 46.08% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Damage ▲ 14.08% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.5 sec
Damage: 48.38% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Damage ▲ 14.78% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.5 sec
Damage: 50.69% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Damage ▲ 15.48% for 10 sec.

Skills

Weapon

Shotgun

9 Ammo1.5s Reload

■ Affects target(s).
Deals 100.75% of ATK as damage.
Deals 200% damage when attacking core.

Skill 1

Pierce Equation

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 11.89% for 1 round(s).
Pierce Damage ▲ 5.94% for 10 sec.
■ Activates when performing a normal attack during Full Burst. Affects all allies.
Pierce Damage ▲ 14.76%, stacks up to 3 time(s), for 1 round(s).

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 12.81% for 1 round(s).
Pierce Damage ▲ 6.4% for 10 sec.
■ Activates when performing a normal attack during Full Burst. Affects all allies.
Pierce Damage ▲ 15.9%, stacks up to 3 time(s), for 1 round(s).

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 13.72% for 1 round(s).
Pierce Damage ▲ 6.86% for 10 sec.
■ Activates when performing a normal attack during Full Burst. Affects all allies.
Pierce Damage ▲ 17.04%, stacks up to 3 time(s), for 1 round(s).

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 14.64% for 1 round(s).
Pierce Damage ▲ 7.32% for 10 sec.
■ Activates when performing a normal attack during Full Burst. Affects all allies.
Pierce Damage ▲ 18.17%, stacks up to 3 time(s), for 1 round(s).

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 15.55% for 1 round(s).
Pierce Damage ▲ 7.77% for 10 sec.
■ Activates when performing a normal attack during Full Burst. Affects all allies.
Pierce Damage ▲ 19.31%, stacks up to 3 time(s), for 1 round(s).

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 16.47% for 1 round(s).
Pierce Damage ▲ 8.23% for 10 sec.
■ Activates when performing a normal attack during Full Burst. Affects all allies.
Pierce Damage ▲ 20.44%, stacks up to 3 time(s), for 1 round(s).

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 17.38% for 1 round(s).
Pierce Damage ▲ 8.69% for 10 sec.
■ Activates when performing a normal attack during Full Burst. Affects all allies.
Pierce Damage ▲ 21.58%, stacks up to 3 time(s), for 1 round(s).

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 18.3% for 1 round(s).
Pierce Damage ▲ 9.15% for 10 sec.
■ Activates when performing a normal attack during Full Burst. Affects all allies.
Pierce Damage ▲ 22.72%, stacks up to 3 time(s), for 1 round(s).

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 19.21% for 1 round(s).
Pierce Damage ▲ 9.6% for 10 sec.
■ Activates when performing a normal attack during Full Burst. Affects all allies.
Pierce Damage ▲ 23.85%, stacks up to 3 time(s), for 1 round(s).

■ Activates when entering Full Burst. Affects all allies.
Pierce Damage ▲ 20.13% for 1 round(s).
Pierce Damage ▲ 10.06% for 10 sec.
■ Activates when performing a normal attack during Full Burst. Affects all allies.
Pierce Damage ▲ 24.99%, stacks up to 3 time(s), for 1 round(s).

Skill 2

Frame Analysis

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 4.38% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 11.01% for 10 sec.
■ Activates when performing a normal attack while in the Pierce Attacks 101 state. Affects all allies.
Critical Rate ▲ 8.86% for 5 sec. Stacks up to 3 times.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 4.73% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 11.86% for 10 sec.
■ Activates when performing a normal attack while in the Pierce Attacks 101 state. Affects all allies.
Critical Rate ▲ 9.55% for 5 sec. Stacks up to 3 times.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 5.08% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 12.7% for 10 sec.
■ Activates when performing a normal attack while in the Pierce Attacks 101 state. Affects all allies.
Critical Rate ▲ 10.23% for 5 sec. Stacks up to 3 times.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 5.43% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 13.55% for 10 sec.
■ Activates when performing a normal attack while in the Pierce Attacks 101 state. Affects all allies.
Critical Rate ▲ 10.91% for 5 sec. Stacks up to 3 times.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 5.78% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 14.4% for 10 sec.
■ Activates when performing a normal attack while in the Pierce Attacks 101 state. Affects all allies.
Critical Rate ▲ 11.59% for 5 sec. Stacks up to 3 times.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 6.13% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 15.25% for 10 sec.
■ Activates when performing a normal attack while in the Pierce Attacks 101 state. Affects all allies.
Critical Rate ▲ 12.28% for 5 sec. Stacks up to 3 times.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 6.48% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 16.09% for 10 sec.
■ Activates when performing a normal attack while in the Pierce Attacks 101 state. Affects all allies.
Critical Rate ▲ 12.96% for 5 sec. Stacks up to 3 times.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 6.83% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 16.94% for 10 sec.
■ Activates when performing a normal attack while in the Pierce Attacks 101 state. Affects all allies.
Critical Rate ▲ 13.64% for 5 sec. Stacks up to 3 times.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 7.17% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 17.79% for 10 sec.
■ Activates when performing a normal attack while in the Pierce Attacks 101 state. Affects all allies.
Critical Rate ▲ 14.32% for 5 sec. Stacks up to 3 times.

■ Activates after performing 5 normal attacks. Affects all allies.
Restores 7.52% of cover HP.
■ Activates when entering Full Burst. Affects all allies.
Critical Rate ▲ 18.63% for 10 sec.
■ Activates when performing a normal attack while in the Pierce Attacks 101 state. Affects all allies.
Critical Rate ▲ 15% for 5 sec. Stacks up to 3 times.

Burst

Overcharge Formula

20 sec Cooldown

■ Affects self.
Changes the weapon in use:
Charge Time: 1.2 sec
Damage: 29.95% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Attacks 101: Pierce Damage ▲ 14.79% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.2 sec
Damage: 32.26% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Attacks 101: Pierce Damage ▲ 15.92% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.2 sec
Damage: 34.56% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Attacks 101: Pierce Damage ▲ 17.06% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.2 sec
Damage: 36.86% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Attacks 101: Pierce Damage ▲ 18.2% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.2 sec
Damage: 39.17% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Attacks 101: Pierce Damage ▲ 19.34% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.2 sec
Damage: 41.47% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Attacks 101: Pierce Damage ▲ 20.48% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.2 sec
Damage: 43.78% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Attacks 101: Pierce Damage ▲ 21.61% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.2 sec
Damage: 46.08% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Attacks 101: Pierce Damage ▲ 22.75% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.2 sec
Damage: 48.38% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Attacks 101: Pierce Damage ▲ 23.89% for 10 sec.

■ Affects self.
Changes the weapon in use:
Charge Time: 1.2 sec
Damage: 50.69% of final ATK
Full Charge Damage: 300% of damage
Max Ammunition Capacity: 1
Additional Effect: Pierce
■ Affects all allies.
Pierce Attacks 101: Pierce Damage ▲ 25.03% for 10 sec.

Skill recommendations

Skill 1

Skill 2

Burst

Build

CUBES

Resilience, Pierce and Bastion are the best options to run for extra damage, but she is a pure buffer more than anything, so I would stick with faster reload times (Resilience).

OL GEAR

Low priority to reroll OL

Most support units do not usually care about specific lines outside the CP padding and increasing survibavility.

Basic DPS build: Max ammo capacity, Elemental DMG, and ATK. Filler lines don't matter much. Make sure you get at least one max ammo line to have an easier time refreshing her buffs.

Pros & Cons

Consistent HP cover recovery for everyone in the team every 5 normal attacks (3-ish seconds depending on team composition)
Critical rate works wonders with one-shot units like Snow White and Maxwell
Pierce damage on skill 1 is good for most of the meta sniper rifles we currently have in the game and the one-shot units already mentioned

Critical rate is kinda useless unless you are going for the one-shot team or Soline (kinda copium this last one)
Burst 1 unit without CDR makes her almost instantly useless in most case scenarios, since that spot is just too competitive