Here is the full list of all 50 Planescape: Torment: Enhanced Edition achievements.
Maintained True Neutral Alignment until the end of the game.
Advanced Dak'kon's karach blade to highest neutral point.
Advanced Dak'kon's karach blade to highest evil point.
Reach level 12 in Thief class before any other class.
Gave birth to Adahn through belief.
Helped Nordom resolve his issues.
Discovered the truth of why Morte is with you.
Join Sensates.
Join Xaositects.
Reach Evil Alignment (any).
Gave the Transcendent One an answer to a "meaningless question."
Your name, at last.
Issued Pronouncement of Two Deaths of One at Fortress of Regrets.
Absorb all 3 incarnations in the Fortress of Regrets.
Kill all 3 incarnations in Fortress of Regrets.
Entered the Fortress of Regrets on your own.
Returned to Mebbeth and restored Unity of Rings.
Advanced Dak'kon's karach blade to highest honor point.
Reach level 12 in Mage class before any other class.
Advance an attribute score to 25.
Restored Dak'kon's faith.
Discovered why Dak'kon's faith is shattered.
Gained Nordom as a companion.
Defeated the Modron Wizard.
Join Anarchists.
Found Pharod's Vault. It smells in there.
Reach Lawful Alignment (any).
Reach Good Alignment (any).
Defeated your adversary.
Shifted Curst back to the Outlands.
Dealt with Trias the Betrayer.
Reach level 12 in Fighter class before any other class.
Gained Vhailor as a companion.
Train to become a Thief.
Discovered your connection to Ignus.
Switch back to Fighter class over the course of the game.
Train to become a Mage.
Dealt with Ravel Puzzlewell.
Met all of Ravel's branching incarnations in Sigil.
Escaped the Lady's Maze - this time.
Drew the Lady's Gaze and got mazed.
Gained Ignus as a companion.
Gained Fall-From-Grace as a companion.
Rescued Morte.
Join Dustmen.
Gained Annah as a companion.
Recovered the Bronze Sphere.
Reach Chaotic Alignment (any).
Gained Dak'kon as a companion.
Escaped the Mortuary.