Complete the quest Pushing Back.

Craft a weapon or gear piece of 'superior' rarity or higher.

Complete Chapter 6.

Complete Chapter 5.

Fuse back with KK after being hit by a severance attack.

STU: Acquire all newly-added talismans.

Acquire all talismans (excluding update content).

Defeat at least 3 Visitors simultaneously by detonating a red ether crystal.

Defeat 50 Visitors by pulling out their cores.

Complete a side mission.

Acquire a voice log.

I used to ask millions of questions as an agent. There's a lot you can learn from people just by talking to them—try chatting in the Battle Hub.

Acquire a relic.