>>534335218
She's an Arts support but her NP has a special gimmick where she buffs the team based on what buffs they have active at the time.

Skill 1 (6 turn cooldown)
>Grant self Guts (3,000 HP) for 1 time, 5 turns
>Recover own HP by 1,000 every turn for 5 turns.
>Grant self Debuff Immunity for 1 time, 3 turns.

Skill 2 (7 turn cooldown)
>Charge party's NP gauge by 20%
>Increase party's NP damage by 30%
>Gain 15 critical stars every turn for 3 turns.
>Reduce all enemies' attack by 20% for 3 turns.

Skill 3 (6 turn cooldown)
>Increase one ally's Arts performance by 30% for 3 turns.
>Increase their critical damage by 30% for 3 turns.
>Charge own NP gauge by 30%.

NP - Arts, non-damaging
>Increase Attack by 20 - 30% (depending on NP level) for allies that have Quick performance up buffs for 3 turns.
>Increase Critical Damage by 30 - 50% (depending on NP level) for allies that have Arts performance up buffs for 3 turns.
>Increase NP Damage by 20 - 30% (depending on NP level) for allies that have Buster performance up buffs for 3 turns.
>Recover party's HP by 3000 - 7000 (depending on Overcharge)

Essentially her skills are Arts support, but she is especially notable when paired with a damage dealer that has a rainbow buff or can otherwise get a Buster/Quick buff easily, for example, Emiya, Chloe and Kyokutei Bakin