Used a Ferrystone.

Entered the rose chateau.

Earned your first Completion Reward.

Equipped four or more pieces of equipment with the same set bonus for the first time.

Cleared the Prologue.

Regained your memories of receiving the Arisen's charge.

Acquired all legendary armaments

Defeated Ancestor Spirit

Acquired all legendary ashen remains

Acquired all legendary talismans

Extract from a mission during nighttime.

Complete Basic Training.

Achieved the "Age of the Stars" ending