Here is the full list of all 44 Utawarerumono: Mask of Deception achievements.
All trophies achieved.
On one map, defeated 10 enemies with 1 unit.
Reached the max level for a unit.
Defeated more than 300 enemy units.
Used Action Chain with all characters.
Used Final Strike with all characters.
Destroyed Moznu's axe.
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.
Defeated the Tatari Unkami.
"Conflict" completed.
Defeated the Boro-Gigiri.
"Remnants and Remembrance" completed.
"The Prisoners" completed.
"Nakwan" completed.
Broke through enemy's ZOC.
"Vice and Virtue" completed.
"Forbidden Games" completed.
"Elopement" completed.
Successfully engaged in Critical 100 times.
Played Recollections.
Successfully executed a reactive Skill.
Spent a bonus point.
"The First Mission" completed.
Used Action Chain on yourself.
"Bandits and Brigands" completed.
Stopped an enemy movement with ZOC.
Accessed the Glossary.
"A Familiar Threat" completed.
Equipped an item.
"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.