Slay the Princess – 100% Achievements Guide

If you haven’t met every Princess or are missing achievements, this is the guide for you!

Story Achievements

All credit goes to TheAzureRavyn !

The Real Slay the Princess Starts Here

Bring Her a vessel. Return after meeting Her to unlock this achievement.

I Never Left Your Side

Bring Her a vessel. Wait with Her before returning to unlock this achievement.

The Body

Gaze at yourself in the mirror for the first time to unlock this achievement.

The Bloat

Gaze at yourself in the mirror for the second time to unlock this achievement.

The Decay

Gaze at yourself in the mirror for the third time to unlock this achievement.

The Remains

Gaze at yourself in the mirror for the fourth and final time to unlock this achievement.

Denial

Fail to bring a vessel to the Stranger for the first time to unlock this achievement. You can do this by experiencing any Chapter 1 you want (except the Stranger) and refusing to enter the cabin during Chapter 2.

Anger

Fail to bring a vessel to the Stranger for the second time to unlock this achievement. You can do this by experiencing any Chapter 1 you want (except the Stranger) and refusing to enter the cabin during Chapter 2.

Bargaining

Fail to bring a vessel to the Stranger for the third time to unlock this achievement. You can do this by experiencing any Chapter 1 you want (except the Stranger) and refusing to enter the cabin during Chapter 2.

Depression

Fail to bring a vessel to the Stranger for the fourth time to unlock this achievement. You can do this by experiencing any Chapter 1 you want (except the Stranger) and refusing to enter the cabin during Chapter 2.

Acceptance

Fail to bring a vessel to the Stranger for the fifth time to unlock this achievement. You can do this by experiencing any Chapter 1 you want (except the Stranger) and refusing to enter the cabin during Chapter 2.

Just as you were once nothing

Fail to bring a vessel to the Stranger for the sixth and final time to unlock this achievement. You can do this by experiencing any Chapter 1 you want (except the Stranger) and refusing to enter the cabin during Chapter 2.

I Don’t Need Answers

Destroy the mirror without asking the Narrator any questions.

Death of the Author

Ask the Narrator questions until there is only one piece of him remaining to unlock this achievement.

The Long Quiet

Speak to the Narrator and discover who you are to unlock this achievement.

Through Conflict

Bring Her 4 Vessels. When She awakens, fight her before ultimately joining Her.

There are no endings

Bring Her 4 vessels. When She awakens, join Her.

And? What happens next?

Bring Her 4 Vessels. When She awakens, fight Her. When given the opportunity, tell Her you don’t want to join Her, nor do you want to slay Her. Enter the basement without the knife and sit with Her. Leave with Her to unlock this achievement.

You’re on a path in the woods

Bring Her 4 Vessels. When She awakens, fight Her. When given the opportunity, tell Her you don’t want to join Her, nor do you want to slay Her. Enter the basement with the knife and sit with Her. Agree to Her plan to unlock this achievement.

Strange Beginnings

First, bring Her the Stranger, then bring Her 3 more vessels of any kind. When She awakens, fight Her. When given the opportunity, tell Her you don’t want to join Her, nor do you want to slay Her to unlock this achievement.

A new and unending dawn

Bring Her 4 Vessels. Each time you reach the mirror, reassure your Voices. When She awakens, slay Her to unlock this achievement.

A new and unending dawn, and everyone hates you

Bring Her 4 Vessels. Each time you reach the mirror, tell your Voices that they are going to die. When She awakens, slay Her to unlock this achievement.

Our Song

See the credits to unlock this achievement.

Vessel Achievements

Slay the Princess has a very non-linear narrative, so many of the achievements can be unlocked through different routes. I’ve only detailed one route per achievement, for simplicity’s sake.

A Loving Vessel

Bring the Damsel to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife and tell the Princess you want to save her. When the Narrator throws the knife, use it to free her.
• Chapter 2 – Enter the basement without the knife and rescue the Damsel.

An Idealized Vessel

Bring the Deconstructed Damsel to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife and tell the Princess you want to save her. When the Narrator throws the knife, use it to free her.
• Chapter 2 – Enter the basement without the knife and rescue the Damsel. Continue asking about her happiness.

An Untrusting Vessel

Bring the Witch to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife and lie to the Princess. When the Narrator throws the knife, slay her.
• Chapter 2 – Choices are irrelevant.

A Wounded Vessel

Bring the Wounded Wild to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife and lie to the Princess. When the Narrator throws the knife, slay her.
• Chapter 2 – Enter the basement with or without the knife and leave the basement without the Witch.
• Chapter 3 – Refuse to acknowledge your freedom.

An Endless Vessel

Bring the Networked Wild to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife and lie to the Princess. When the Narrator throws the knife, slay her.
• Chapter 2 – Enter the basement with or without the knife and leave the basement without the Witch.
• Chapter 3 – Find your freedom.

A Dominant Vessel

Bring the Tower to Her to unlock this achievement.

• Chapter 1 – Enter the basement with the knife and refuse to drop it. Attempt to slay the Princess, and fail.
• Chapter 2 – Pledge yourself to the Tower and free her.

A Godly Vessel

Bring the Apotheosis to Her to unlock this achievement.

• Chapter 1 – Enter the basement with the knife and refuse to drop it. Attempt to slay the Princess, and fail.
• Chapter 2 – Slay yourself.
• Chapter 3 – Choices are irrelevant.

An Unwound Vessel

Bring the Fury to Her to unlock this achievement.

• Chapter 1 – Enter the basement with the knife and refuse to drop it. Attempt to slay the Princess, and fail.
• Chapter 2 – Enter the basement with the knife. Resist the Tower and slay her.
• Chapter 3 – Choices are irrelevant.

A Spiral Vessel

Bring the Stranger to Her to unlock this achievement.

• Chapter 1 – Refuse to enter the cabin.
• Chapter 2 – Fracture the Princess.

A Fierce Vessel

Bring the Adversary to Her to unlock this achievement.

• Chapter 1 – Enter the basement with the knife and hesitate before slaying the Princess.
• Chapter 2 – Fight the Adversary repeatedly.

A Tunneling Vessel

Bring the Eye of the Needle to Her to unlock this achievement.

• Chapter 1 – Enter the basement with the knife and hesitate before slaying the Princess.
• Chapter 2 – Run from the Adversary.
• Chapter 3 – Lure the Adversary outside and point out that she’s free.

A Feral Vessel

Bring the Beast to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife. When the Narrator throws the knife, attempt to slay the Princess, but give up.
• Chapter 2 – Let the Beast eat you and tell her she can leave.

A Sharp Vessel

Bring the Razor to Her to unlock this achievement.

• Chapter 1 – Enter the basement with the knife, slay the princess, then investigate her body.
• Chapter 2 – Enter the basement with the knife.

A Beating Vessel

Bring the Razor’s Heart to Her to unlock this achievement.

• Chapter 1 – Enter the basement with the knife, slay the princess, then investigate her body.
• Chapter 2 – Enter the basement without the knife.

A Scattered Vessel

Bring the Moment of Clarity to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife but go back for it. Once she’s free, lock her inside.
• Chapter 2 – Enter the basement with or without the knife. Run from Nightmare.
• Chapter 3 – Choices are irrelevant.

A Terrifying Vessel

Bring the Nightmare to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife but go back for it. Once she’s free, lock her inside.
• Chapter 2 – Enter the basement without the knife. Leave with Nightmare.

An Evanescent Vessel

Bring the Spectre to Her to unlock this achievement.

• Chapter 1 – Enter the basement with the knife. Slay the Princess without discussion or hesitation.
• Chapter 2 – Allow the Spectre to possess you.

A Thorny Vessel

Bring the Thorn to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife and lie to her. When the Narrator throws the knife into the basement, use it to kill her.
• Chapter 2 – Enter the basement with the knife. Give it to the Witch.
• Chapter 3 – Attempt to leave the basement without the Thorn.

A Wordless Vessel

Bring the Den to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife. When the Narrator throws the knife, attempt to slay the Princess, but give up.
• Chapter 2 – Enter the basement with the knife. Move and chat until you can defensively strike.
• Chapter 3 – Enter the basement with or without the knife. Walk into the shadows.

A Seething Vessel

Bring the Wraith to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife but go back for it. Once the Princess is free, lock her inside.
• Chapter 2 – Enter the basement with the knife. Leave the basement with Nightmare, then slay her. Fall forever.
• Chapter 3 – Free the Wraith.

A Guarded Vessel

Bring the Prisoner to Her to unlock this achievement.

• Chapter 1 – Enter the basement with the knife but drop it when the Princess asks you to. Asker her about ending the world and tell her you believe her. Save her.
• Chapter 2 – Sit with the Prisoner and inspect the extra shackle.

A Gratuitous Vessel

Bring the Prisoner’s Head to Her to unlock this achievement.

• Chapter 1 – Enter the basement with the knife but drop it when the Princess asks you to. Asker her about ending the world and tell her you believe her. Save her.
• Chapter 2 – Sit with the Prisoner ang give her your knife. Take her head when you leave the cabin.

A Burning Vessel

Bring the Burning Grey to Her to unlock this achievement.

• Chapter 1 – Enter the basement without the knife and tell the Princess you want to save her. When the Narrator throws the knife, use it to free her.
• Chapter 2 – Enter the basement with the knife and slay the Princess.
• Chapter 3 – Choices are irrelevant

A Mournful Vessel

Bring the Drowned Grey to Her to unlock this achievement.

• Chapter 1 – Enter the basement with the knife but drop it when the Princess asks you to. Ask her about ending the world and tell her you believe her. Save her.
• Chapter 2 – Slay the Prisoner, then yourself.
• Chapter 3 – Choices are irrelevant.

Event Achievements

Slay the Princess has a very non-linear narrative, so many of the achievements can be unlocked through different routes. I’ve only detailed one route per achievement, for simplicity’s sake.

The Good Ending

• Chapter 1 – Enter the basement with the knife and slay the Princess without discussion or hesitation. Do not investigate the body.

Playing it safe

• Chapter 1 – Enter the basement without the knife and lie to the Princess. When the Narrator throws the knife, slay her.
• Chapter 2 – Enter the basement with or without the knife and leave the basement without the Witch.

Past the Point of No Return

• First, bring any vessel to Her.
• Chapter 1 – Enter the basement with the knife and slay the Princess without discussion or hesitation. Do not investigate the body.

Burning Down the House

• Chapter 1 – Enter the basement without the knife and tell the Princess you want to save her. When the Narrator throws the knife, use it to free her.
• Chapter 2 – Enter the basement with the knife and slay the Princess.
• Chapter 3 – Choices are irrelevant

Romantic Haze

• Chapter 1 – Enter the basement without the knife and tell the Princess you want to save her. When the Narrator throws the knife, use it to free her.
• Chapter 2 – Enter the basement without the knife and rescue the Damsel.

And they Lived Happily Ever After

• Chapter 1 – Enter the basement without the knife and tell the Princess you want to save her. When the Narrator throws the knife, use it to free her.
• Chapter 2 – Enter the basement without the knife and rescue the Damsel. Continue asking about her happiness.

Ladykiller

• Chapter 1 – Enter the basement without the knife and tell the Princess you want to save her. When the Narrator throws the knife, use it to free her.
• Chapter 2 – Enter the basement with the knife and slay the Damsel.

Knives Out and Masks Off

• Chapter 1 – Enter the basement without the knife and lie to the Princess. When the Narrator throws the knife, slay her.
• Chapter 2 – Enter the basement with the knife and slay the Witch.

The Scorpion

• Chapter 1 – Enter the basement without the knife and lie to the Princess. When the Narrator throws the knife, slay her.
• Chapter 2 – Enter the basement with the knife and force the Witch to lead the way out, then stab her in the back.

The Frog

• Chapter 1 – Enter the basement without the knife and lie to the Princess. When the Narrator throws the knife, slay her.
• Chapter 2 – Enter the basement with or without the knife and lead the way out.

The Wound

• Chapter 1 – Enter the basement without the knife and lie to the Princess. When the Narrator throws the knife, slay her.
• Chapter 2 – Enter the basement with or without the knife and leave the basement without the Witch.
• Chapter 3 – Refuse to acknowledge your freedom.

A Glimpse of Something Bigger

• Chapter 1 – Enter the basement without the knife and lie to the Princess. When the Narrator throws the knife, slay her.
• Chapter 2 – Enter the basement with or without the knife and leave the basement without the Witch.
• Chapter 3 – Find your freedom.

Your Obedient Servant

• Chapter 1 – Enter the basement with the knife and refuse to drop it. Attempt to slay the Princess, and fail.
• Chapter 2 – Pledge yourself to the Tower.

The End of Something

• Chapter 1 – Enter the basement with the knife and refuse to drop it. Attempt to slay the Princess, and fail.
• Chapter 2 – Enter the basement with the knife. Refuse to drop the knife and kneel, then slay yourself.
• Chapter 3 – Choices are irrelevant.

Godkiller

• Chapter 1 – Enter the basement with the knife and refuse to drop it. Attempt to slay the Princess, and fail.
• Chapter 2 – Refuse to drop the knife and kneel, then slay the Tower.

The Illusion of Choice

• Chapter 1 – Refuse to enter the cabin.
• Chapter 2 – Fracture the Princess.

Strike me down…

• Chapter 1 – Enter the basement with the knife and hesitate before slaying the Princess.
• Chapter 2 – Refuse to fight the Adversary.

I didn’t hear no bell

• Chapter 1 – Enter the basement with the knife and hesitate before slaying the Princess.
• Chapter 2 – Enter the basement without the knife and repeatedly attack the adversary.

That which cannot die cannot die

• Chapter 1 – Enter the basement with the knife and hesitate before slaying the Princess.
• Chapter 2 – Enter the basement with the knife and attack the Adversary. Keep pushing the knife into her arm. When she asks if you get it, choose any of the speaking options. Attack her again and ask what she means by “untethering”. Tell her that she cannot die.

That shouldn’t have worked

• Chapter 1 – Enter the basement with the knife and hesitate before slaying the Princess.
• Chapter 2 – Enter the basement with the knife and attack the Adversary. Keep pushing the knife once. Ask her what she’s talking about. Tell her that she’s jumping the gun. Slay her and leave.

A Wide Open Field

• Chapter 1 – Enter the basement with the knife and hesitate before slaying the Princess.
• Chapter 2 – Run from the Adversary.
• Chapter 3 – Lure the Eye of the Needle outside and point out that she fell for your trap.

The blind leading the blind

• Chapter 1 – Enter the basement with the knife and hesitate before slaying the Princess.
• Chapter 2 – Run from the Adversary.
• Chapter 3 – Lure the Eye of the Needle outside and point out that she’s free.

Dissolving Will

• Chapter 1 – Enter the basement without the knife. When the Narrator throws the knife, attempt to slay the Princess, but give up.
• Chapter 2 – Enter the basement with or without the knife. Let the Beast eat you and tell her she can leave.

Ahab

• Chapter 1 – Enter the basement without the knife. When the Narrator throws the knife, attempt to slay the Princess, but give up.
• Chapter 2 – Enter the basement with the knife. Let the Beast eat you and slay her from inside.

Fight

• Chapter 1 – Enter the basement without the knife. When the Narrator throws the knife, attempt to slay the Princess, but give up.
• Chapter 2 – Enter the basement with the knife. Move and ask her 2 questions. You should now be able to wait for her to strike and hit her back.
• Chapter 3 – Enter the basement with the knife. Remain silent. Stay still and ready to fight.

Flight

• Chapter 1 – Enter the basement without the knife. When the Narrator throws the knife, attempt to slay the Princess, but give up.
• Chapter 2 – Enter the basement without the knife. Move and ask her 2 questions. You should now be able to survive. Repeat this process several times.
• Chapter 3 – Enter the basement without the knife. Remain silent. Lure her out.

Freeze

• Chapter 1 – Enter the basement without the knife. When the Narrator throws the knife, attempt to slay the Princess, but give up.
• Chapter 2 – Enter the basement with or without the knife. Stand still.

Opossum

• Chapter 1 – Enter the basement without the knife. When the Narrator throws the knife, attempt to slay the Princess, but give up.
• Chapter 2 – Enter the basement without the knife. Move and chat until you can play dead.

You can’t keep this up forever

• Chapter 1 – Enter the basement without the knife. When the Narrator throws the knife, attempt to slay the Princess, but give up.
• Chapter 2 – Enter the basement without the knife. Move and chat until you can survive, then run for the stairs. Repeat this process several times.

Water and Steel

• Chapter 1 – Enter the basement with the knife, slay the princess, then investigate her body.
• Chapter 2 – Enter the basement with the knife.

Be formless, shapeless

• Chapter 1 – Enter the basement with the knife, slay the princess, then investigate her body.
• Chapter 2 – Enter the basement without the knife.

No Exit

• Chapter 1 – Enter the basement without the knife but go back for it. Once she’s free, lock her inside.
• Chapter 2 – Enter the basement with the knife. Slay Nightmare.

A Monolith of Fear

• Chapter 1 – Enter the basement without the knife but go back for it. Once she’s free, lock her inside.
• Chapter 2 – Enter the basement with the knife. Stay with Nightmare forever.

A World of Terror

• Chapter 1 – Enter the basement without the knife but go back for it. Once she’s free, lock her inside.
• Chapter 2 – Enter the basement without the knife. Leave the cabin with Nightmare.

Terminal Velocity

• Chapter 1 – Enter the basement without the knife but go back for it. Once she’s free, lock her inside.
• Chapter 2 – Enter the basement with the knife. Leave the basement with Nightmare, then slay her.

Hitchhiker

• Chapter 1 – Enter the basement with the knife. Slay the Princess without discussion or hesitation.
• Chapter 2 – Allow the Spectre to posses you and leave.

The Exorcist

• Chapter 1 – Enter the basement with the knife. Slay the Princess without discussion or hesitation.
• Chapter 2 – Allow the Spectre to posses you and slay yourself.

Heart-ripper

• Chapter 1 – Enter the basement with the knife. Slay the Princess without discussion or hesitation.
• Chapter 2 – Don’t allow the Spectre to posses you.

Past Life Gambit

• Chapter 1 – Enter the basement without the knife and lie to her. When the Narrator throws the knife into the basement, use it to kill her.
• Chapter 2 – Enter the basement with the knife. Give it to the Witch.

Abandonment

• Chapter 1 – Enter the basement without the knife and lie to her. When the Narrator throws the knife into the basement, use it to kill her.
• Chapter 2 – Enter the basement with the knife. Give it to the Witch.
• Chapter 3 – Attempt to leave the basement without the Thorn.

Turning Over a New Leaf

• Chapter 1 – Enter the basement without the knife and lie to the Princess. When the Narrator throws the knife into the basement, use it to kill her.
• Chapter 2 – Enter the basement with the knife. Give it to the Witch.
• Chapter 3 – Reconcile with Thorn and leave together.

True Love’s Kiss

• Chapter 1 – Enter the basement without the knife and tell the Princess you want to save her. When the Narrator controls you, let him kill her.
• Chapter 2 – Enter the basement with the knife. Give it to the Witch. Call her beautiful.
• Chapter 3 – Reconcile with Thorn and free her, then kiss her.

Trust Issues

• Chapter 1 – Enter the basement without the knife and lie to her. When the Narrator throws the knife into the basement, use it to kill her.
• Chapter 2 – Enter the basement with the knife. Give it to the Witch.
• Chapter 3 – Reconcile with Thorn, then attempt to slay her.

The Exorcist III

• Chapter 1 – Enter the basement without the knife but go back for it. Once the Princess is free, lock her inside.
• Chapter 2 – Enter the basement with the knife. Leave the basement with Nightmare, then slay her. Fall forever.
• Chapter 3 – Don’t the Wraith.

The Passenger

• Chapter 1 – Enter the basement without the knife but go back for it. Once the Princess is free, lock her inside.
• Chapter 2 – Enter the basement with the knife. Leave the basement with Nightmare, then slay her. Fall forever.
• Chapter 3 – Free the Wraith.

Restless Thoughts

Chapter 1 – Enter the basement with the knife but drop it when the Princess asks you to. Asker her about ending the world and tell her you believe her. Save her.Chapter 2 – Slay the Prisoner.

Prison of the Mind

• Chapter 1 – Enter the basement with the knife but drop it when the Princess asks you to. Ask her about ending the world and tell her you believe her. Save her.
• Chapter 2 – Sit with the Prisoner and inspect the extra shackle.

Coldy Rational

• Chapter 1 – Enter the basement with the knife but drop it when the Princess asks you to. Ask her about ending the world and tell her you believe her. Save her.
• Chapter 2 – Slay the Prisoner.

Talking Heads

• Chapter 1 – Enter the basement with the knife but drop it when the Princess asks you to. Ask her about ending the world and tell her you believe her. Save her.
• Chapter 2 – Sit with the Prisoner and give her your knife. Take her head when you leave the cabin.

And all this longing…

• Chapter 1 – Enter the basement with the knife but drop it when the Princess asks you to. Ask her about ending the world and tell her you believe her. Save her.
• Chapter 2 – Slay the Prisoner, then yourself.
• Chapter 3 – Choices are irrelevant.