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