Normal Attack
Performs up to 4 consecutive spear strikes.
Charged Attack
Consumes a certain amount of Stamina to perform a spinning attack.
Plunging Attack
Plunges from mid-air to strike the ground below, damaging opponents along the path and dealing AoE DMG upon impact.

Ineffa engages her Enhanced Cleaning Module, dealing a single instance of AoE Electro DMG to nearby opponents, activating her Optical Flow Shield Barrier, and summoning the Multipurpose Smart Assistance Unit, .
The Optical Flow Shield Barrier absorbs DMG based on Ineffa's ATK, and it will absorb Electro DMG with 250% effectiveness.

The Multipurpose Smart Assistance Unit, Birgitta, can use Rocket Punches to quickly clean up opponents! Ineffa shoots Birgitta into the fray, dealing AoE Electro DMG and allowing Birgitta to remain on the field.
If Birgitta is already on the field, having been summoned by Ineffa, this Skill will re-summon Birgitta at the target's location and reset her duration.

When a party member triggers the Electro-Charged reaction, it will be converted into the Lunar-Charged reaction, with every 100 ATK that Ineffa has increasing Lunar-Charged's Base DMG by 0.7%, up to a maximum of 14%.Further blessings may follow the new moon's rise...

If there are thunderclouds created by Lunar-Charged reactions nearby when Birgitta unleashes Discharge attacks, she will initiate an additional attack, dealing AoE Electro DMG equal to 65% of Ineffa's ATK. This DMG is considered Lunar-Charged DMG.

When using the Elemental Burst Supreme Instruction: Cyclonic Exterminator, all your party members will gain the Parameter Permutation effect: Increases Ineffa and your own active party member's Elemental Mastery by 6% of Ineffa's ATK for 20s.

When Ineffa uses food, there is a 30% chance of gaining a seasoning ingredient.
Additionally, in Nod-Krai, it seems you'll be able to change Birgitta's appearance through certain means...

When Ineffa activates her Optical Flow Shield Barrier, all nearby party members will gain the Carrier Flow Composite effect for 20s: Increases Lunar-Charged DMG by 2.5% for every 100 ATK that Ineffa has, up to a maximum of 50%.

After the Elemental Burst Supreme Instruction: Cyclonic Exterminator hits opponents, it will inflict the Punishment Edict status on one of those hit opponents: After a brief delay, or when this opponent is attacked, nearby opponents will take equal to 300% of Ineffa's ATK. This DMG is considered Lunar-Charged DMG. Additionally, when the Elemental Burst Supreme Instruction: Cyclonic Exterminator is unleashed, nearby party members will gain Optical Flow Shield Barriers.

Increases the Level of Cleaning Mode: Carrier Frequency by 3.
Maximum upgrade level is 15.

When your own party members trigger Lunar-Charged reactions, recover 5 Elemental Energy. This effect can occur once every 4s.

Increases the Level of Supreme Instruction: Cyclonic Exterminator by 3.
Maximum upgrade level is 15.

When Ineffa is affected by the Carrier Flow Composite effect, she will deal equal to 135% of her ATK to opponents in the current active character's vicinity after nearby thunderclouds release bursts of lightning at opponents. This DMG is considered Lunar-Charged DMG. The aforementioned effect can trigger once every 3.5s.