The infobox template in this article is missing some required data. You can help Nukapedia by filling it in.
Interactions with the player character
|This character is essential. Essential characters cannot be killed.|
|This character is a temporary companion.|
|This character is a permanent companion. They grant the - perk.|
|This character is a doctor.|
|This character is a merchant.||Caps: -|
|This character can repair items.||Repair cap: -|
|This character can modify weapons.||
|This character rents beds.||Cost: - caps.|
|This character starts quests.||
|This character is involved in quests.|
Larsen is the only Brotherhood Knight-Captain to actually wear the unique Knight-Captain paint job for the T-60 (the Knight-Sergeant paint is another unique paint job, similarly to Larsen's, in that it is only seen on Knight-Sergeant Gavil).
This article is too short to provide more than rudimentary information about the subject. You can help Nukapedia by expanding it.