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