Full list of all 65 Dragon Age II achievements worth 1,370 gamerscore. It takes around 60-80 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 3 DLC packs containing 15 achievements worth 370 Gamerscore.
Became the viscount of Kirkwall.
Found and killed the undying Xebenkeck.
Earned the rivalry of one of your party members.
Reached Kirkwall with each character class across multiple playthroughs.
Completed Dragon Age II.
Defeated Meredith, knight-commander of Kirkwall's templars.
Completed a romance with one of your party members.
Found and killed the ancient demon, Hybris.
Enchanted an item.
Reached Level 20.
Mastered a weapon style.
Completely upgraded the armor of one of your party members.
Found and killed a high dragon.
Sided with the mages five times.
Defeated the Arishok.
Met Grand Cleric Elthina, Viscount Dumar, Knight-Commander Meredith, and First Enchanter Orsino.
Found and killed a varterral.
Used teamwork to perform a cross-class combo.
Visited 10 caves in Kirkwall and the surrounding area.
Earned the friendship or rivalry of four party members.
Learned two class specializations.
Flirted with one of your party members to begin a romance.
Had 100 or more sovereigns in your purse.
Completed a full year in Kirkwall without any party member being knocked unconscious.
Defeated the rock wraith on your expedition into the Deep Roads.
Explored the Deep Roads.
Became a partner in a Deep Roads expedition.
Reached Level 10.
Unlocked 100 codex entries.
Gave a gift to one of your party members.
Earned the friendship of one of your party members.
Opened 50 chests.
Recruited four party members.
Left Kirkwall to explore the outlying regions.
Kicked the slavers out of your ancestral mansion.
Upgraded the armor of one of your party members.
Toggled the map from day to night.
Acquired your first crafting recipe.
Became a resident of Kirkwall.
Allied yourself with the smugglers upon arriving in Kirkwall.
Allied yourself with the mercenaries upon arriving in Kirkwall.
Upgraded a spell or talent.
Listened to Varric begin his tale of the Champion of Kirkwall.
Craft all of the items from a single crafting tree.
Find every variety of crafting resources.
During each year in Kirkwall, discover 3 secret messages from the Band of Three.
Find all four chapters of "The History of the Chantry," by Brother Genitivi.
Earn the respect of an important adversary.
Sided with the templars five times.
Complete Dragon Age II twice, or complete it once with a save imported from Dragon Age Origins.
Met secretly with the agent of the Divine
Gave Sebastian a family heirloom.
Confronted the culprit behind the Vael family's murder.
Earned either a friendship or rivalry with Sebastian.
Dealt with the mercenaries that killed the Vael family.
Defeat an ancient evil in the Vimmark Mountains.
Kill a genlock, genlock alpha, hurlock alpha, bronto, and deepstalker in the Vimmark Mountains.
Apply three effects to Hawke's Key.
Complete the main quest in the Vimmark Mountains with Bethany or Carver in the party.
Complete every side quest in the Vimmark Mountains prison tower.
Meet Tallis in Hightown.
Lure and kill an alpha wyvern near Chateau Haine.
Evade vault security in Chateau Haine.
Disarm the fire traps in Chateau Haine's vaults.
Defeat Duke Prosper, with or without Tallis.