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.
Used a Final Strike.
"The Rescue" completed.
"Shadows" completed.
"Mononofu" completed.
"Conflict" completed.
Defeated the Tatari Unkami.
"Remnants and Remembrance" completed.
Played Recollections.
Defeated the Boro-Gigiri.
"The Prisoners" completed.
"Nakwan" completed.
Broke through enemy's ZOC.
"Vice and Virtue" completed.
Successfully engaged in Critical 100 times.
"Forbidden Games" completed.
"Elopement" completed.
"The First Mission" completed.
Used Action Chain on yourself.
"Bandits and Brigands" completed.
Successfully executed a reactive Skill.
Stopped an enemy movement with ZOC.
"A Familiar Threat" completed.
Equipped an item.
Spent a bonus point.
"Extermination" completed.
Successfully executed an Action Chain.
Accessed the Glossary.
"Test of Will" completed.
Successfully executed a critical.
Took advantage of enemy's weak attribute.
Watched the opening movie.
All trophies achieved.
Destroyed Moznu's axe.
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.