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