Here is the full list of all 44 Utawarerumono: Mask of Deception achievements.
All trophies achieved.
Reached the max level for a unit.
Used Action Chain with all characters.
Used Final Strike with all characters.
On one map, defeated 10 enemies with 1 unit.
Defeated the Boro-Gigiri.
Defeated more than 300 enemy units.
Defeated the Tatari Unkami.
Played Recollections.
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.
"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.
"Elopement" completed.
Successfully executed a reactive Skill.
Used Action Chain on yourself.
Successfully engaged in Critical 100 times.
"The First Mission" completed.
Equipped an item.
"Bandits and Brigands" completed.
Stopped an enemy movement with ZOC.
"A Familiar Threat" completed.
Spent a bonus point.
"Extermination" completed.
Successfully executed an Action Chain.
"Test of Will" completed.
Accessed the Glossary.
Took advantage of enemy's weak attribute.
Successfully executed a critical.
Watched the opening movie.