Anchor

Wind

Rocket Launcher

Defender

Burst 1

Elysion

GS

■ Activates when the last bullet hits the target. Affects the target.
Taunt for 5 sec.
■ Activates when the last bullet hits the target. Affects self.
DEF ▲ 23.82% for 5 sec.

MDS

■ Activates when entering battle. Affects self.
When attacking an enemy projectile, damage dealt to that projectile ▲ 25.6% continuously.

CIWS

20 sec Cooldown

■ Affects all enemies.
Deal 304.45% of final ATK as damage.

Taunt

■ Activates at the start of battle in combat areas. Affects this unit's squad.
Damage Taken ▼ 25% continuously.
Taunt: Converts all enemies within 1 tile(s) around the squad into normal attack targets 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.