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