Here is the full list of all 38 ZAZ achievements.
Max out every character's bond level.
Upgrade all facilities to max level.
Part Break the Creature of Sloth's necktie.
Clear FINAL STAGE: "Couldn't put Humpty together again."
Clear MANI's Central Tower.
Part Break Creature of Wrath's beard
Clear STAGE 07: "And one for the little boy who lives down the lane."
Clear STAGE 06: "My fair lady."
Part Break the Creature of Lust's flower.
Use Silburst for the first time.
Part Break the Creature of Gluttony's dress.
Fill the ranking board on the Extend Machine with your own records.
Clear STAGE 05: "And here we go round, round, roundy."
Part Break the Creature of Envy's head.
Clear STAGE 04: "Bured under the cold marble stones."
Clear STAGE 03: "And vowed he'd steal no more."
Use all Clione.
Clear STAGE 02: "I am a monk key!"
Have your first bathroom accident.
Clear STAGE 01: "That was the end, of Solomon Grundy."
Clear Prologue.
Collect all trophies.
Collect all notes from the drifting ruins.
Obtain all of Haruto Higurashi's Shigabane.
Obtain all of Ryo Mikajime's Shigabane.
Obtain all of Zen Kubota's Shigabane.
Obtain all of Mamoru Ichiyo's Shigabane.
Obtain all of Rinko Susukino's Shigabane.
Obtain all of Yuma Mashiro's Shigabane.
Obtain all of Minamo Setouchi's Shigabane.
Obtain all of Sachika Hirasaka's Shigabane.
Enter your High Score in the Reckless Skies ranking.
Solve MANI's final riddle and investigate all of the next room's information.
Upgrade a weapon to +99.
Cook every type of dish.
Part Break the Creature of Pride's satchel.
Part Break all of Full Armor Kurosuke's parts.
Part Break all of Extend Terashima's Artificial Clione.