Defeated an enemy using Key Modification.

Completed a random quest for the first time.

Discovered a memoir for the first time.

Enjoy Monika's concert.

Return to the atelier, after a fight against Luard.

The donation to church reach the target figure which makes Pamela very happy.

Defeated the Last Sentinel.

Obtained an everlasting treasure on a grand adventure.

Completed all of Serri's character events.

Obtained all decoration accessories.

Collected all Ruin Fragments and Memory Vestiges.

Completed all of Clifford's character events.

Unlocked a Core Element.