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 Lucas.
You have restored the Legion and saved the land of Ehb.
You've paraded about in nothing but rare items.
You stormed the Spire and defeated Jeyne Kassynder.
Force Jeyne to flee before defeating her handmaids.
You freed all the prisoners in the Spire.
You have gathered a full party of Legion descendants.
Over your career, you have sustained at least 100,000 points of damage.
You forged an alliance between Stonebridge and the 10th Legion.
During your fight against the Dapper Old Gent, you destroyed 50 of his Automatons.
You reached level 20 as Lucas.
You broke the siege of Glitterdelve and saved Queen Roslyn.
You have shown unwavering support to the Crown.
You survived a journey through the Eastern Swamp.
You defeated the archon, Rajani.
You spoke to the Radiant Youth in the Mournweald.
You ceded control of Gunderic Manor to Leona.
Complete the game as Anjali.
Complete the game as Katarina.
Complete the game as Reinhart.
Complete the game on Hardcore difficulty.
Complete the main quest as well as all side quests.
Earn the maximum possible influence with any one companion.
Earn at least one level of influence with all party members.
Reach level 30.
Sell 100,000 coins worth of items.
Defeat Rajani without using your healing ability.
Defeat the final encounter without needing to be revived by a companion.
Win an encounter with a boss opponent using only your starting equipment.
Agree with your friends 20 times in one session.
Disagree over dialogue choices 20 times in one session.
Complete the game as a member of a four-player party.
Be part of a conversation wherein four players are all in agreement on what to say.
Be part of a conversation wherein four players all disagree on what to say.
Join someone's game and use an empowered Defensive Ability.
Achieve a level-up in a four-player game.
Play with a friend for three or more hours in one session.
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 Anjali.
Reach level 20 as Katarina.
Reach level 20 as Reinhart.
Reclaim Gunderic Manor for the Legion.
Unlock 60 lore entries in one career.
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.