Ether

Electric

Shotgun

Defender

Burst 1

Missilis

Corrosive Bullets

■ Affects 1 ally with the lowest HP.
Sustained Damage ▼ 52.5% for 5 sec.

Prognostic Response Experiment (Cooldown: 13s)

■ Affects 3 enemies with the highest DEF.
[Target] Deals 56.32% of final ATK as damage.
■ Affects one enemy. Activates during Full Burst.
[Target] DEF ▼ 9.38% for 6 sec.

Colossal Single Cell

40 sec Cooldown

■ Affects 3 allied unit(s) with the lowest HP.
Creates a Shield equal to 96% of the caster's Max HP for 5 sec.

Attack Speed Support

■ Activates only when in combat areas. Affects ally squads within 1 tile(s), excluding this unit's squad.
Interval between normal attacks ▼ 5% continuously.

Skill recommendations

Skill 1

Skill 2

Burst

Extra notes

Sadly, low rarity units are not worth investing in NIKKE on most situations. Some are decent for PVP or Surface, but that's about it.