Confront the one whose aim is destruction, and defeat an Einherjar.

Take down a Chrome Gawain alongside Livie.

Witness a change in the Spiral Tree.

See an event activated by an ally's support skill.

Clear a mission with four link support devices.

Install a skill for the first time.

Pass the aptitude test.

Master one Blood Art in combat.

Clear a special mission for the first time.

Upgrade equipment for the first time.

Use a Blood Art for the first time.

Complete all of an ally's Character Episodes.

Activate 10 or more skill effects simultaneously.