Should I Kill Karlach in Baldur’s Gate 3?

When It Makes Sense

• Good fit: roleplaying lawful justice. The Risen Road encounter frames Karlach as an escaped infernal soldier and Anders’s group as paladins of Tyr sent to bring her to justice. If your player character is a lawful-good paladin, a cleric devoted to a deity of law, or a pragmatic soldier who trusts established authority over a fugitive’s claims, siding with the hunters can feel internally consistent. Karlach does not deny that she served Zariel in Avernus, and her infernal engine is genuinely dangerous. A character who believes that service to the archdevil cannot be forgiven without trial, or who simply accepts the paladins’ framing at face value, may conclude that execution is the safest and most just outcome. This choice also suits vengeance-focused playthroughs where past dealings with the Hells leave the protagonist unwilling to show mercy to anyone who fought for Zariel. It can create interesting tension if other lawful-minded companions are present, as they may view the execution as righteous rather than murderous.
• Good fit: prioritizing immediate rewards over companion utility. Anders promises a bounty of gold, equipment, and experience in exchange for proof of Karlach’s death. If your party already includes a capable frontline fighter such as Lae’zel, a custom Tav barbarian, or a heavily armored cleric, you may not need Karlach’s wild-magic barbarian toolkit. Some players prefer to run a small, fixed party rather than collecting every companion, and they may value the paladins’ payment and the clean resolution of the Act 1 bounty more than a character they do not intend to recruit. Choosing this path also removes the ongoing narrative pressure of hiding a wanted fugitive in your camp, which some players find easier to justify than sheltering someone labeled a war criminal by the paladins. It additionally avoids the uncertainty of traveling with someone whose infernal engine might create complications later in the campaign.

When You Should Avoid It

• Warning sign: you want the full companion experience. Karlach is a fully voiced, recruitable companion with a personal quest that begins in Act 1 and continues into Act 2 and Act 3. She offers romance content, camp banter, companion-specific dialogue, and reactions to major story beats that shape how parts of the game feel. Many players consider her one of the more memorable companions because of her energetic personality and her conflicted history with the Hells. As a wild magic barbarian, she fills a durable melee-damage role and brings unique combat animations tied to her infernal engine. Killing her removes all of that permanently from the current playthrough, making this one of the more content-destructive choices in the early game. If you usually recruit every companion to see their arcs, or if you simply want the option to romance her later, this choice will lock you out of a major subplot.
• Warning sign: Wyll is in your party or you value his story. Wyll’s personal quest, the Blade of Frontiers, is tightly connected to Karlach. He was sent to hunt her, but sparing or recruiting her opens paths that can change Wyll’s pact, his outlook, and how his storyline resolves. Killing her early can cut those developments short and may cause Wyll to disapprove of your decision, lowering his approval and potentially limiting his personal arc. If Wyll is a romance interest or a core member of your party, his disapproval can be especially damaging, since it may lock you out of his personal scenes and romantic progression. Players who want to explore Wyll’s narrative, keep him as a companion, or see the full relationship between the Blade of Frontiers and the infernal engine should generally keep Karlach alive at least long enough to advance his plot.

Pros and Cons

Pros

• Roleplay coherence and paladin rewards. Siding with Anders can provide a clear moral resolution for lawful characters and delivers immediate loot and experience. It also removes the uncertainty of traveling with someone whose infernal engine could cause problems later in the story.
• Simplifies the party and reduces future conflicts. If you already plan to travel with a fixed group, executing the bounty eliminates the temptation to manage another companion and avoids potential companion conflicts that might arise between Karlach and Wyll or other party members over your decisions.

Cons

• Permanent loss of companion content. Karlach’s recruitment, romance, dialogue, and personal quest are gone for the rest of the playthrough once she is killed. This is one of the larger content losses in the game, comparable to killing other major companions before their stories can develop.
• Late-game ramifications. Her infernal engine becomes relevant again in later acts, and certain resolutions to her storyline depend on her being alive and present. Killing her removes those possibilities and may leave related threads unresolved or less satisfying when the campaign reaches its conclusion.

Decision Checklist

• What is your party plan? Ask whether you need a barbarian companion, want to experiment with her rage-based combat style, or already have a frontline that covers that role.
• What matters more: roleplay or content? Decide whether your current character’s principles justify killing her, or whether you would rather see her full story and romance.
• How will this affect Wyll and future acts? Consider whether you want to pursue Wyll’s quest and whether you are comfortable losing Karlach-related events in Acts 2 and 3.

Alternatives to Consider

The most common alternative is to side with Karlach, kill the paladins, and recruit her into the camp. This opens her questline and romance and aligns with a more mercenary or empathetic playthrough. A neutral option is to resolve the encounter through dialogue and persuasion when possible, choosing outcomes that minimize bloodshed. You can also recruit Karlach but leave her in camp, using her only when her abilities fit a specific fight. If you are uncertain, making a save before the Risen Road encounter lets you test both outcomes without committing your entire playthrough. Finally, some players complete one playthrough sparing Karlach and a second playthrough killing her to see how the story differs.

Final Recommendation

For most players, sparing and recruiting Karlach is the more rewarding choice because she adds substantial combat utility, companion dialogue, romance, and story content across all three acts. Killing her is best reserved for roleplay-driven playthroughs where a lawful or vengeance-focused character would realistically side with the paladins of Tyr, or for players who simply do not want her as a companion and prefer the bounty rewards. Even in an evil or Dark Urge playthrough, remember that the mechanical and narrative cost is the same: you trade a fully developed companion for a single bounty payout. Because Baldur’s Gate 3 is a single-player roleplaying game, no choice is objectively wrong, but the consequences of killing Karlach are unusually far-reaching. Save before the encounter, consider what kind of story you want to tell, and choose the path that best serves your character and your enjoyment of the game.