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Profile
Normal Attack
SMG
Mode: Normal
Ammo: 120
Reload: 1.3s
■ Affects target enemy.
Deals 8.39% ATK as damage.
Deals 200% damage when attacking core.
Cat's Repayment
Passive
Cooldown: -
■ Activates when recovery takes effect. Affects the target who applied the recovery effect.
Damage Taken ▼ 14.14% for 5 sec.
■ Activates when recovery takes effect. Affects self.
Cat's Repayment: Damage Taken ▼ 8.43%, stacks up to 5 time(s) and lasts for 5 sec.
Lil' Paw
Passive
Cooldown: -
■ There is a 30% chance of activating when attacked. Affects the target.
Damage Taken ▲ 8.26% for 5 sec.
■ There is a 30% chance of activating when in Grumpy Cat status. Affects the target.
Deals 158.05% of final ATK as damage.
■ Activates when entering battle. Affects self.
Max HP ▲ 60.28% continuously.
Grumpy Cat
Active
Cooldown: 20s
■ Affects 1 enemy unit(s) with the highest HP.
Deals 1104.91% of final ATK as damage.
■ Affects self.
Attract: Taunt all enemies for 15 sec.
■ Activates when Cat's Repayment is fully stacked. Affects self.
Grumpy Cat: HP Potency ▲ 60.08% for 15 sec.

Review
Nero is an okayish PVP Nikkes. Her appearance in PVE is whatever (should use Ludmilla instead), but in PVP she acts as a taunt - reflect tank which is pretty interesting. Still, she’s falling out of meta because her mate Moran is going with other teams, and without Moran, she can’t achieve true immortality, which means she still can be gotten through.
High damage reduction as a taunt tank.
Can provide damage reflection.
Her event’s story and BGM are still some of the most memorable ones in NiKke (Ruru pls).
Niche in PVP, useless in PVE.
Investment Tips
CP Padding + Small Boost in survivability. ATK and ELE Increase revenge damage if she reaches max stacks
PVE Priority
1/10
PVE Comment
A cope 20s B2 taunter. Can work but provide almost no offensive buffs. Can be used to break Fire QTEs in SR.
PVP Priority
10/10
PVP Comment
Relies on Damage Reduction stacking. Requires Tempering Cube and certain ally pairings.

Vigor Cube

Tempering Cube

Endurance Cube

Vigor Cube

Tempering Cube

Endurance Cube
The Resilience Cube is a generic DPS increase for a SMG user.
Teams
Teams for Nero aren't available yet. They will be added soon.