Here is the full list of all 76 Library Of Ruina achievements.
Roland and Angela chose to forgive each other.
Finish the final reception without any participant being incapacitated.
Complete the reception of the Distorted Reverb Ensemble.
Fully realized the Floor of General Works.
Defeat 3 guests after selecting the Abnormality page 'Fervent Beats' during a single reception on the Floor of General Works.
Complete the reception of the Black Silence.
Complete the reception of the Reverberation Ensemble.
Defeat Olivier and Argalia using the Combat Page 'Furioso'.
Complete a Star of the City-level or above reception after selecting the Abnormality page 'Mountain of Corpses' on the Floor of Language.
Deal 100 total damage using the Abnormality page 'Lean, Bloody Wings' in a single Act on the Floor of Religion.
Roll the maximum value when using 'Boundary of Death'.
View all Small Stories.
Fully realized the Floor of Religion.
Fully realized the Floor of Philosophy.
Defeat 5 guests marked by the Abnormality page 'Request' in a single reception on the Floor of Technological Sciences.
Be considered an Impurity.
Complete the reception of Xiao.
Use the Combat Page 'Clone' to possess 6 of a single Combat Page in hand.
Complete the reception of 얀샋ㄷ요무.
Fully realized the Floor of Social Sciences.
Defeat a guest suffering from Burn, Bleed, Feeble, Disarm, Fragile, Paralysis, and Bind.
Use an E.G.O page that synchronizes its user with the Abnormality.
Fully realized the Floor of Language.
Fully realized the Floor of Natural Sciences.
Deal 150 damage to a guest with a single attack.
Finish off Myo once and for all as Gebura with the Red Mist’s Key Page equipped.
Defeat the Red Mist as Gebura.
Fully realized the Floor of Art.
Complete a reception with Binah offering her assistance.
Have Gebura manifest the E.G.O of the Red Mist during a reception.
Lower the Cost of a 4-Cost page to 0 with the Abnormality page 'Happy Memories' and use it on the Floor of History.
Fully realized the Floor of Literature.
Complete a reception after both sides’ Team Emotion Levels have reached 5.
Fully realized the Floor of Technological Sciences.
Reach the rank of a Star of the City.
Complete the reception of the Crying Children.
Use an E.G.O page.
Fully realized the Floor of History.
Burn 100 books in total.
Enter a combat phase without slotting any Speed die for all librarians who can act. Your finger probably slipped for this one.
Send a General Invitation.
Equip a Battle Symbol.
Customize a librarian.
Reach the rank of an Urban Nightmare.
Complete the reception of Tomerry.
Transfer a passive ability.
Acquired all the listed rewards from a book that contains an Objet d’art page.
Stagger a guest by deflecting.
Burn a book for the first time.
Complete your first reception. You’ve made your baby steps!
Use an Abnormality page.
Reach the rank of a Canard.
Reach the rank of an Urban Myth.
Reach the rank of an Urban Legend.
Reach the rank of an Urban Plague.
Clear an Abnormality battle.
Obtain all other achievements.
Roland was rejected. Angela could not forgive him.
Angela was snubbed. Roland could not forgive her.
Collect all Key Pages.
Collect all Combat Pages.
Collect 100 unique Battle Symbols.
Complete all receptions accessible by General Invitations.
Fully equip a librarian with Battle Symbols.
Gain 15 Strength in a single Scene.
Inflict 60 Bleed to a single guest.
Defeat 5 guests through Burn damage in a single reception.
Defeat 5 guests at once using a single die of a Mass Attack.
Have a guest and a librarian perish at the same time.
Deal 40 damage at once with the third die of the E.G.O page 'Sanguine Desire' on the Floor of Literature.
Use the Combat Page 'Ever-repeating Performance' on a Scene where a guest planned to use a Mass Attack page on the Floor of Art.
Activate the ability of the Abnormality page 'Nix' on the Floor of Natural Sciences.
Use 4 pages generated by the Abnormality page 'Rake' during a single reception on the Floor of Social Sciences.
Activate the ability of the Abnormality page 'The Beast' on the Floor of Philosophy.
Defeat a guest from the Thumb or the Index with Pete’s Key Page equipped.
Defeat the Purple Tear as Roland.