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