Rupee
Iron 
Assault Rifle 
Attacker 
Burst 2 
Tetra Tier 5 Prize
■ Activates after landing 100 normal attack(s). Affects all Iron type allies.
Increases stack count of buffs by 1.
Critical Rate ▲ 2.24% for 10 sec.
Mileage
■ Activates after 30 attack(s). Affects self.
Mileage: ATK ▲ 13.8%, stacks up to 5 time(s) and lasts for 15 sec.
Single Payment
■ Affects all enemies within attack range.
Deals 274.28% of final ATK as damage.
■ Activates when "Mileage" is fully stacked. Affects all allies.
ATK ▲ 19.8% for 5 sec.
Skill recommendations
Solo Raid Usage
This is based on the top 50 players of all NIKKE servers combined. Data is from enikk.app, check their website for a lot more raid data.
SeasonWeakness
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Extra notes
By today's standards, a really bad kit that's just underwhelming on most (if not all) PVE content. Invest only if she is your waifu.