Here is the full list of all 47 MONARK achievements.
You've taken a student's psychology test. Gehe. It's up to you to define yourself best.
You've donned a full set of Vessels with skills, I see. Gehe. Names and nature do often agree.
You've earned every achievement there is to obtain. Gehe. Live proud with your Ego, empty and vain.
You've triumphed over the Pactbearer of Pride. Gehe. Justice is the victor's right to decide.
You've triumphed over the Pactbearer of Envy. Gehe. One must suffer to know how precious peace can be.
You've triumphed over the Pactbearer of Wrath. Gehe. Emotions alone cannot pave you a path.
You've triumphed over the Pactbearers of Lust. Gehe. If you hope to avoid pain, a change of heart is a must.
You've triumphed over the Pactbearer of Greed. Gehe. Your fate changed with the last wish he could plead.
You and Nozomi triumphed against woe. Gehe. Were your wishes and hopes ever realized, though?
You and Shinya triumphed against woe. Gehe. Did you manage to earn his faith and trust, though?
You and Ryotaro triumphed against woe. Gehe. Did you manage to get your fill of things, though?
You and Kokoro triumphed against woe. Gehe. Did you manage to get closer to her heart, though?
You've triumphed over the Pactbearer of Woe. Gehe. So lamentable when one denies themself, no?
You defeated ■■■-■■■■■■■ with little to spare. Stand tall, little "human" who subdued the unfair.
You heard a recording from one who has passed. Gehe... This newfound quiet occurred far too fast.
You've entered Madness in all its brutality. Gehe. Brandish the bane of irrationality.
You've become Awakened for the first time, I see. Gehe. To control the Madness, your will is the key.
You've become Enlightened for the first time. Gehe. Control the Madness to attain your prime.
You've experienced your very first Resonation. Gehe. Bonds of the soul can be your salvation.
You've customized a Fiend for the first time. Gehe. Follow your Ego against reason and rhyme.
You've changed a Fiend's name for the very first time. Gehe. Just don't give them one that would count as a crime.
You've acquired your very first Alter Ego. Gehe. Interacting with others is what makes one grow.
You've made your first call to the Otherworld. Gehe. Fear not the abyss, nor what is unfurled.
You managed to unlock a locker. Gehe. What did you find? A present? A shocker?
You had Vanitas create an item or gear. Gehe. I'm only assisting, just so we're clear.
You've listened to your first BGM sound test. Gehe. It's important to take an occasional rest.
You've visited the infirmary for 20 examinations. Gehe. Just remember to overexert yourself in moderation...
You've saved 20 numbers in your Contacts list. Gehe. Find any good hunting grounds in your midst?
You took at least half of the psychology tests. Gehe. Are you more self-aware now than you had guessed?
You have at least half of the Cromwell Records in tow. Gehe. Knowledge is power; power is what you know.
You've registered at least half of the Profiles. Gehe. Knowing others can take you for miles.
You've participated in 30 battles or more. Gehe. Living beings are predisposed to war.
You've performed 50 Assist Attacks. Gehe. Success stems from having each other's backs.
You've made at least 30 Deferrals to date. Gehe. It's important to know how to delegate.
You've earned over 2,000,000 SPIRIT to date. Gehe. Have you gained enough power to satiate?
You equipped a set of EX Rank Vessels on a Fiend. Gehe. Are they now the way you have always dreamed?
You've seen everybody's Awakened Arts. Gehe. Defiance stems from the will of one's heart.
You've seen everybody's Enlightened Arts. Gehe. Fulfill your Ego with the power Madness imparts.
You've unlocked one unit's every ability. Gehe. Using them right is now your responsibility.
You've unlocked every ability for every unit. Gehe. I never imagined you'd manage to do it.
You've gotten intel about all seven wonders. Gehe. Did any make your curiosity thunder?
You managed to earn an S-Rank result. Gehe. You did well--and that's not an insult.
You used a Hazard to defeat a foe. Gehe. You're utterly deranged, you know.
You've performed a four-unit Assist Attack. Gehe. Whoever it is, they're not coming back.
You've performed a five-unit Assist Attack. Gehe. The key to battle is to fight in a pack.
You've dealt over 10,000 damage in a single turn. Gehe. Keep improving yourself--live and learn.
You've proven your Ego and seen your wish through. Gehe. One thing's end is the start of something new.