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