D
Wind 
SMG 
Attacker 
Burst 3 
Elysion Tier 5 Vigorous Waves
■ Activates when entering Full Burst. Affects self.
Damage as strong element ▲ 46.93% for 15 sec.
Recovers 3.52% of ATK damage as HP, lasts for 15 sec.
■ Affects self when first activated.
Recovers 16.5% of ATK damage as HP, lasts for 15 sec.
Surprise Attack
■ Activates when the target appears. Affects all allies.
Fills Burst Gauge by 98.56%. Activates 1 time(s) per battle.
Become immune to Stun for 36.95 sec.
■ Activates when the target appears. Affects self.
Damage as strong element ▲ 91.09%, lasts for 15 sec.
Chastisement
■ Affects all enemies.
Deals 426.24% of final ATK as damage.
■ Affects all Attacker allies.
Parts Damage ▲ 42.38% for 15 sec.
■ Affects all allies if the caster has immunity to Stun.
Full Burst Time ▲ 5.04 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.
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.