Here is the full list of all 41 Dynasty Warriors 8 (HK/TW) achievements worth 1,000 gamerscore.
Obtain all achievements.
Complete all of the stages on the "Chaos" difficulty level.
Fight 50 straight battles in Ambition Mode.
Obtain all of the weapons in the game.
Build a Tongquetai and welcome the Emperor to your town.
Finish all of the stages within Story Mode and Free Mode with the exception of the tutorial.
Obtain more than 1,000 materials for weapons and facilities in Ambition Mode.
Become allies with all of the officers in Ambition Mode.
Obtain all of the facilities in Ambition Mode.
Reach the maximum Fame level in Ambition Mode.
Obtain all of the Camp Symbols.
Win 100 battles with the same officer.
Defeat a total of more than 100,000 enemies.
Fight 20 straight battles in Ambition Mode.
Complete all of the stages in Story Mode.
Upgrade all skills to Level 10 or higher.
View the ending (Historical & Hypothetical) for the Wei story.
View the ending (Historical & Hypothetical) for the Wu story.
View the ending (Historical & Hypothetical) for the Shu story.
View the ending (Historical & Hypothetical) for the Jin story.
Form a bond at the maximum level with another officer.
Destroy a total of 1,000 siege weapons.
Complete all of the stages for the Other story.
Have a new facility built in Ambition Mode.
Have a facility expanded in Ambition Mode.
Fight 5 straight battles in Ambition Mode.
Defeat an enemy after juggling them in the air for at least 10 seconds.
Use a True Rage Attack.
Defeat 3 enemy officers with a Storm Rush in a single battle.
Defeat 3 enemy officers with a Switch Counter in a single battle.
Achieve a 1,000 hit combo.
Defeat 1,000 enemies in a single battle.
Complete the tutorials for all of the kingdoms.
Defeat 1,000 enemies while mounted on a riding-type animal.
Defeat 100 enemies with a companion-type animal.
Listen to all of the voice lines within the Gallery.
Obtain all of the animals within the game.
Unlock all of the movies within the game.
Unlock all of the event scenes within the game.
Unlock all of the wallpapers within the game.
Finish any stage of the game, except for the tutorial, without taking any damage.