Should I Kill the Emperor in Baldur’s Gate 3?

When It Makes Sense

• Good fit: You are committed to freeing Orpheus and accepting the githyanki narrative path. Killing the Emperor is often the decisive action that allows Orpheus to leave the Astral Prism and fight at your side, which can be especially satisfying if Lae’zel or other gith-aligned companions have urged you to restore the githyanki prince.
• Good fit: Your roleplay rejects mind flayer influence, tadpoles, or Faustian bargains. If your character views the Emperor as a manipulative prisoner who would gladly dominate you in exchange for survival, eliminating him can be a morally consistent act that keeps your party free of illithid entanglements.
• Good fit: You have saved recently, have strong gear, and are ready for a tough encounter. The Emperor is a powerful psionic enemy, and turning against him triggers combat. If your party is well-built, stocked with healing and crowd-control options, and you do not mind reloading, the risk becomes much more manageable.

When You Should Avoid It

• Warning sign: You rely on the Emperor’s tadpole-based abilities or the Astral Prism mechanics to carry your build. Removing him from the story can cut off some psionic benefits and make certain later encounters more difficult, especially if you have not prepared an alternative source of power.
• Warning sign: You are romancing or allied with the Emperor, or your companions strongly support him. Companions such as Lae’zel may approve of freeing Orpheus, but others may react poorly to killing the Emperor. If party cohesion matters to you, consider their views before making the choice permanent.
• Warning sign: You have not yet explored the Orpheus path or secured an ending route that works without the Emperor. Depending on earlier decisions, killing the Emperor can close off story branches tied to him. If you want to keep options open, complete related side quests first and create a hard save.

Pros and Cons

Pros

• You can free Orpheus and gain a different powerful ally. For players who prioritize the githyanki storyline, Orpheus offers a thematically strong replacement and can help confront the Netherbrain through a different power structure.
• It supports a principled, anti-illithid playthrough. If your character refuses to bargain with mind flayers, killing the Emperor reinforces that stance and avoids becoming dependent on a creature whose true loyalty is always in question.
• It can unlock unique dialogue, scenes, and ending variations. Major choices in Baldur’s Gate 3 often produce tailored outcomes, and rejecting the Emperor is one of the key inflection points that shapes the final act.

Cons

• You lose a knowledgeable, psionically powerful ally. The Emperor provides guidance, protection, and combat assistance tied to the tadpole. Losing him removes those benefits from the remainder of the campaign.
• The fight can be challenging. He is a formidable opponent, and if your party is under-leveled or lacks resistance to psychic attacks, the encounter may require multiple attempts.
• Some story paths and companion approvals may shift negatively. Characters who accepted the Emperor’s help or saw him as a necessary evil may disapprove, and certain late-game options may become unavailable.

Decision Checklist

• Have I completed or at least explored the quests related to Orpheus and the Astral Prism?
• Does my character’s morality and current companion relationships favor killing the Emperor or keeping him alive?
• Is my party prepared for a difficult single-encounter boss fight?
• Have I made a hard save before initiating the final confrontation?
• Am I comfortable with losing tadpole-related support for the rest of the game?

Alternatives to Consider

If you are uncertain, the main alternative is to side with the Emperor and use his psionic power against the Absolute. This route generally gives you an easier endgame experience and keeps many Astral Prism abilities intact. Another option is to delay the choice by saving frequently and trying both outcomes to see which one fits your story. Some playthroughs may allow you to free Orpheus while still managing the Emperor’s fate differently, depending on earlier dialogue and quest states, so exploring conversations in the Astral Prism before acting can reveal hidden options.

Final Recommendation

Kill the Emperor if your roleplay and companion dynamics favor freeing Orpheus and rejecting illithid influence, and if your party is strong enough to handle the resulting fight. Keep him alive if you want the most straightforward endgame support, are following a storyline that depends on his alliance, or are not yet ready to commit to the githyanki path. Because this is a major branching choice with significant story and combat consequences, save before the decision and consider consulting a current Baldur’s Gate 3 quest guide if you want to map out every companion reaction and ending variation.