Full list of all 54 Dungeon Siege III achievements worth 1,250 gamerscore. It takes around 35-40 hours to unlock all of the achievements in the base game.
The base game contains 44 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 10 achievements worth 250 Gamerscore.
You have completed the main quest as Anjali.
You reached level 20 as Reinhart.
You reached level 20 as Lucas.
You have completed the main quest as Lucas.
You completed your quest, plus all other secondary quests in the game.
You have restored the Legion and saved the land of Ehb.
You were part of a four-player party that completed the game together.
You and a friend have played for three hours in one session.
You reached level 20 as Anjali.
You have discovered 60 lore entries in one adventure.
You achieved at least one level of influence with all three of your companions.
You survived a journey through the Eastern Swamp.
You defeated the archon, Rajani.
You spoke to the Radiant Youth in the Mournweald.
You took part in a level-up while in a four-player game.
You were part of a conversation wherein four players were all in agreement as to what to say.
You were part of a conversation wherein four players were all in disagreement over what to say.
You decided that Gunderic Manor should remain in Legion hands.
You ceded control of Gunderic Manor to Leona.
You have disagreed on dialogue choices 20 times in one session.
You have agreed on dialogue choices 20 times in one session.
Complete the adventure in Stonebridge.
Complete the adventure in Glitterdelve.
Complete Act 3.
Complete the game as Katarina.
Complete the game as Reinhart.
Complete the game on Hardcore difficulty.
Recruit all three NPC companions.
Equip an entire ensemble and arsenal of rare items or artifacts.
Earn the maximum possible influence with any one companion.
Reach level 30.
Sell 100,000 coins worth of items.
Defeat Rajani without using your healing ability.
Destroy 50 Automatons during the battle with the Dapper Old Gent.
You forced Jeyne to flee before defeating her handmaids.
Defeat the final encounter without needing to be revived by a companion.
Win an encounter with a boss opponent using only your starting equipment.
Survive 100,000 points of damage in one adventure - but ideally not in one hit.
Join someone's game and use an empowered Defensive Ability.
Defeat a boss battle playing co-op with Lucas and Reinhart.
Defeat a boss battle playing co-op with Anjali and Katarina.
Reach level 20 as Katarina.
Complete all the quests the Royalists have to offer.
Free the captives of the Spire.
Speak to the Lamasu.
Respec your character at least once.
Defeat High Priest Molochi.
Survive your first encounter in the Aranoi Desert.
Light the sacred flames at all three desert shrines.
Defeat the Giant Sand Worm.
Learn the recitation in the Temple of Azunai.
Collect the sacred oil in Sandspring Cavern.
Perform the ritual and gain access to the Agallan Vault.
Meet Eleanor in the Abbey.