Full list of all 93 Baldurs Gate II: Enhanced Edition achievements. It takes around 100-120 hours to unlock all of the achievements on Windows.
Acquire the druid stronghold.
Have a Lore skill of 100 or more.
Finish the game with a full party of dead allies.
Finish the game without any party members dying.
Increase an attribute score to 25.
Kill 1,000 creatures.
Acquire Heroic reputation.
Acquire the wizard stronghold.
Raised enough gold to hire assistance.
Have an Armor Class of -15 or lower.
Become a Grand Master.
Complete the game solo.
Complete the game on Legacy of Bhaal difficulty.
Complete the game on Story Mode difficulty.
Reach 150 Hit Points.
Acquire Despised reputation.
Become a Fallen Paladin or a Fallen Ranger.
Have Bless, Chant, and Luck active at the same time.
Have Disease, Fatigue, and Poison active at the same time.
Acquire the warrior stronghold.
Acquire the thief stronghold.
Acquire the cleric stronghold.
Acquire the paladin stronghold.
Acquire the ranger stronghold.
Acquire the bard stronghold.
Reach level 30 with a Mage or Sorcerer.
Reach level 30 with a Thief or Bard.
Reach level 30 with a Fighter, Ranger, Paladin, Monk, or Barbarian.
Reach level 30 with a Cleric, Druid, or Shaman.