The Knife of the Undermountain King is a short sword that will allow players to deal more critical strikes in Baldur’s Gate 3. Players can buy this magical sword from a vendor in Act 2, which will make the rest of the journey much easier. With its bonuses, anyone wielding this weapon can become far more deadly.
Rogues, Bards, and Rangers are the classes that would benefit from the Knife of the Undermountain King. This guide contains detailed information on how to get the Knife of the Undermountain King in Baldur’s Gate 3.
How to Get the Knife of the Undermountain King
Players can purchase the Knife of the Undermountain King at the Githyanki Creche location on the Mountain Pass. When players reach the desired location, they will need to find a merchant named A’jak’nir Jeera.
Walk a couple of steps north of the Creche Y’llek fast travel point (X: 1382 Y:-815) and enter the door, after which the vendor will meet the players. Start a dialog with A’jak’nir Jeera and buy the Knife of the Undermountain King from him for 1,392 gold.
Knife of the Undermountain King Stats
The Knife of the Undermountain King helps against obscured targets, giving players an advantage in attack rolls. This blade will be especially valuable for players who have just moved to Act 2. So, let’s take a look at the stats of the Knife of the Undermountain in Baldur’s Gate 3:
Weapon Type | Shortsword, Finesse |
Damage | 1D6 +6 Piercing |
Requirements | Martial Weapon Proficiency |
Weight | 0.9 kg |
Value | 1392 |
Rarity | Very Rare |
Weapon Enchantment | +2 |
Companions Who Can Use This Weapon | Lae’zel, Minthara, Karlach, Minsc |
Classes with Martial Weapons Proficiency | Cleric, Fighter, Ranger, Paladin, Barbarian, Bard |
Organ Rearranger | The wielder scores a Critical Hit when rolling a 19. When they roll 2 damage or less, reroll the dice, taking the highest result. |
Shadow Blade | Players have an Advantage on Attack Rolls against Lightly or Heavily Obscured targets when using this blade. |
Here is the in-game description of the item:
“Snatched from the realm of the mad wizard Halaster Blackcloak, this knife became a prized keepsake of a duergar king.”

Baldur’s Gate 3
- Franchise
- Baldur’s Gate
- Platform(s)
- PC, Stadia, macOS, PS5
- Released
- August 3, 2023
- Developer(s)
- Larian Studios
- Genre(s)
- RPG