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