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.
Completed Dragon Age II twice, or completed it once with a save imported from Dragon Age Origins.
Completed Dragon Age II.
Defeated Meredith, knight-commander of Kirkwall's templars.
Completed a romance with one of your party members.
During each year in Kirkwall, discovered 3 secret messages from the Band of Three.
Found and killed the ancient demon, Hybris.
Completely upgraded the armor of one of your party members.
Found and killed a high dragon.
Reached Level 20.
Found all four chapters of "The History of the Chantry," by Brother Genitivi.
Sided with the mages five times.
Defeated the Arishok.
Met Grand Cleric Elthina, Viscount Dumar, Knight-Commander Meredith, and First Enchanter Orsino.
Earned the friendship or rivalry of four party members.
Found and killed a varterral.
Visited 10 caves in Kirkwall and the surrounding area.
Learned two class specializations.
Flirted with one of your party members to begin a romance.
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.
Earned the rivalry of one of your party members.
Mastered a weapon style.
Had 100 or more sovereigns in your purse.
Reached Level 10.
Used teamwork to perform a cross-class combo.
Unlocked 100 codex entries.
Left Kirkwall to explore the outlying regions.
Enchanted an item.
Gave a gift to one of your party members.
Earned the friendship of one of your party members.
Kicked the slavers out of your ancestral mansion.
Upgraded the armor of one of your party members.
Opened 50 chests.
Recruited four party members.
Acquired your first crafting recipe.
Toggled the map from day to night.
Became a resident of 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.
Deal with an undying terror.
Become a partner in a Deep Roads expedition.
Craft all of the items from a single crafting tree.
Seize the throne.
Reach Kirkwall with each character class. Multiple playthroughs required.
Find every variety of crafting resources.
Earn the respect of an important adversary.
Ally with a certain group of smugglers.
Sided with the templars five times.
Confront the culprit behind the Vael family's murder.
Meet secretly with the agent of the Divine
Deal with the mercenaries that killed the Vael family.
Earn either a friendship or rivalry with Sebastian.
Give Sebastian a family heirloom.
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.