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