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