Here is the full list of all 44 Utawarerumono: Mask of Deception achievements.
Unlocked all event visuals.
Witnessed the ending of the game.
"Vurai" completed.
"He Who Conquers" completed.
Used a Final Strike.
"The Rescue" completed.
"Shadows" completed.
"Mononofu" completed.
"Conflict" completed.
"Remnants and Remembrance" completed.
"The Prisoners" completed.
"Nakwan" completed.
Broke through enemy's ZOC.
"Vice and Virtue" completed.
Destroyed Moznu's axe.
"Forbidden Games" completed.
"Elopement" completed.
"The First Mission" completed.
Used Action Chain on yourself.
"Bandits and Brigands" completed.
Stopped an enemy movement with ZOC.
"A Familiar Threat" completed.
Equipped an item.
"Extermination" completed.
Spent a bonus point.
"Test of Will" completed.
Took advantage of enemy's weak attribute.
Watched the opening movie.
Accessed the Glossary.
All trophies achieved.
Defeated the Boro-Gigiri.
Defeated the Tatari Unkami.
Successfully executed an Action Chain.
Successfully executed a reactive Skill.
Successfully executed a critical.
Played Recollections.
Challenged Dream Match for the first time.
Successfully engaged in Critical 100 times.
Unlocked all BGM.
Used Action Chain with all characters.
Used Final Strike with all characters.
Reached the max level for a unit.
On one map, defeated 10 enemies with 1 unit.
Defeated more than 300 enemy units.