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