Here is the full list of all 57 Utawarerumono: Mask of Truth achievements.
Viewed 100 or more entries in the glossary.
Viewed all event visuals.
Listened to all BGM tracks.
Power does not conform to the shape of its vessel.
Completed the ending.
Entered the Dream Arena.
Stood together and faced your hardships.
Shocked and appalled by a horrific sight.
Attacked by those who are loyal unto death.
Your voice went unheard. A false truth deafens him.
Finally released your true strength.
Rampaged with no regard for those around you.
Saw your plans come to fruition.
Opened the door to the bird's cage.
Learned a crucial secret of a foreign land.
Finally found what you were looking for.
Dealt 1000+ damage to an enemy in one attack.
Viewed 500 or more battle callouts.
Learned a man's final wish in a duel to the death.
A soldier must resort to underhanded tactics at times.
Proved that best-laid schemes often go awry.
Experienced heaven and hell.
Had an unexpected reunion.
Who is his vengeance truly for?
Confessed your sins.
Used a Co-op Attack.
Used a Co-op Final.
Dealt 500+ damage to an enemy in one attack.
Witnessed the bond between two sisters.
Used a Final Strike.
Played Free Battle mode.
Played Munechika's Trials.
Cast away all mercy for your enemies.
Managed to avert a crisis.
Settled a long-standing score.
Found the one hiding in shadows.
Encountered one of undying loyalty.
Successfully executed criticals 200 times.
Was accused of something you never did.
Successfully executed a reactive Skill.
Regained your sense for battle.
Successfully executed an Action Chain.
Successfully executed a critical.
Obtained all trophies.
Listened to an unwelcome monologue.
You may never find warmth in this cold place.
Reduced to a mere beast.
You can never go back...
A job well done.
Thank you for coming.
Dealt 5000+ damage to an enemy in one attack.
Summoned shikigami 100 times.
Won 20 Mock battles.
Completed all Dream Arena stages.
Used Final Strike with all characters.
Used Co-op Finals with all characters.
Obtained all battle rewards.