Complete the indicated task to unlock the achievement.

Achievement	How to unlock
ALTDEUS	Defeated Altdeus in battle.
Astray from the Polaris	Viewed the "Astray from the Polaris" ending.
Beautiful Monster	Started exploring the surface.
Bullet of Betrayal	Shot by traitorous Deiter.
Disharmonious Pact	Fought alongside the Meteora with Coco's form.
Fallen Star	Began researching the Unique Meteora Anima.
Flowers for an Unknown Tomorrow	Viewed the "Flowers for an Unknown Tomorrow" ending.
Flowers for the Two of Us	Viewed the "Flowers for the Two of Us" ending.
Her Wish	Analyzed the Meteora that killed Coco.
Hesitation's Beginning	Analyzed the attacking Meteora on the surface.
Innocent Flower	Deepened bond with Unique Meteora Anima.
Pray Upon a Star	Attended Noa's impromptu concert.
Premonition	Witnessed Noa and Anima's resonance.
Revenge	Defeated the Meteora that killed Coco.
Secret Time	Conspired with Noa about the elimination of the Unique Meteora Anima.
Singing	Attended Noa's night concert.
Starbreaker	Defeated the attacking Meteora on the surface.
The Celestial Cradle	Viewed the "The Celestial Cradle" ending.
The Fairy's Ark	Viewed the "The Fairy's Ark" ending.
The Unforgiven	Defeated Yamato in battle.
This Time I'll Protect Everyone	Began Episode Yamato.
Unforgetting	Decided to continue researching the Unique Meteora Anima.
Unsettling Shadow	Defeated the mysterious being.
Wishing on Stars	Defeated Noa in battle.