Stores and upgrades

Crossbow Bolt

Requires Corvo's Crossbow

Ammunition for the crossbow.

Incendiary Bolt

Requires Incandescent Paste and Corvo's Crossbow

Heavy bolt that immolates enemies.

Sleep Bolt

Requires Corvo's Crossbow

Puts enemies to sleep.

Bullet

Ammunition for any standard pistol.

Explosive Bullet

Requires Corvo's Pistol Upgrade, Pistol Explosive Shot and Small-scale Combustion Refinement

Explodes on impact.

Springrazor

A trap that can be placed on nearly any surface.

Grenade

An explosive grenade.

Sticky Grenade

Requires Sticky Grenade

A grenade that sticks to enemies and most surfaces.

Piero's Spiritual Remedy

Restores mana.

Sokolov's Health Elixir

Requires Sokolov's Formula

Restores health.

Rewire Tool

Allows you to rewire circuitry and turn security systems to your advantage. Consumed on usage.

Rune

A carved chunk of whalebone.

King Street Brandy

A rare and expensive liquor containing essence of Morley orchid and traces of purified whale fat.

Crossbow Accuracy

Requires Corvo's Crossbow

Lowers dispersion and stabilizes crossbow aim.

Crossbow Range

Requires Corvo's Crossbow

Crossbow bolts travel faster, further.

Crossbow Reload

Requires Corvo's Crossbow

Faster reload. Enables auto-reload.

Combat Sleep Dart

Requires Corvo's Crossbow

Sleep darts sedative effect is immediate even in combat.

Corvo's Pistol Upgrade

Allows pistol upgrades and adds a short range spread damage.
Unlocks:
Pistol Accuracy 1
Pistol Magazine 1
Pistol Reload 1

Pistol Accuracy 1

Requires Corvo's Pistol Upgrade

Lowers dispersion and stabilizes pistol aim.
Unlocks:
Pistol Accuracy 2

Pistol Accuracy 2

Requires Corvo's Pistol Upgrade and Pistol Accuracy 1

Further lowers dispersion and stabilizes pistol aim.

Pistol Magazine 1

Requires Corvo's Pistol Upgrade

Adds 1 bullet to the magazine. (Total 2)
Unlocks:
Pistol Magazine 2

Pistol Magazine 2

Requires Corvo's Pistol Upgrade and Pistol Magazine 1

Adds another bullet to the magazine. (Total 3)
Unlocks:
Pistol Magazine 3

Pistol Magazine 3

Requires Corvo's Pistol Upgrade, Pistol Magazine 1 and Pistol Magazine 2

Adds another bullet to the magazine. (Total 4)

Pistol Reload 1

Requires Corvo's Pistol Upgrade

Faster reload.
Unlocks:
Pistol Reload 2

Pistol Reload 2

Requires Corvo's Pistol Upgrade and Pistol Reload 1

Faster reload. Enables auto-reload.

Pistol Explosive Shot

Requires Corvo's Pistol Upgrade and Small-scale Combustion Refinement

Unlocks explosive bullets usage for your pistol.

Springrazor Radius

Increased radius for springrazor traps.

Sticky Grenade

Requires Spiked Grenade Housing

Unlock grenades that stick to targets.

Sword Crossing

Requires Corvo's Folding Blade

Makes the sword more effective when locking blades and pushing against an enemy.

Mask Optics 1

Allows you to magnify your view. PressZoomto zoom.

Mask Optics 2

Requires Lens Magnification and Mask Optics 1

Provides another level of magnification. PressUsewhen zoomed.

Improved Armor

Requires Bonded Galvani Weave

Reduces damage.

Boot Stealth 1

Requires Folded Galvani Resin

Reduced footstep sounds.
Unlocks:
Boot Stealth 2

Boot Stealth 2

Requires Folded Galvani Resin and Boot Stealth 1

Further reduced footstep sounds.

Bullet Capacity 1

Increases bullet storage capacity by 10. (Total 20)
Unlocks:
Bullet Capacity 2

Bullet Capacity 2

Requires Bullet Capacity 1

Increases bullet storage capacity by 10. (Total 30)

Bolt Capacity 1

Requires Corvo's Crossbow

Increases standard bolts capacity by 10. (Total 20)
Unlocks:
Bolt Capacity 2

Bolt Capacity 2

Requires Bolt Capacity 1 and Corvo's Crossbow

Increases standard bolts capacity by 10. (Total 30)

Grenade Capacity

Increases grenade storage capacity by 4. (Total 9)

Springrazor Capacity

Increases springrazor storage capacity by 4. (Total 9)

Bone Charm Capacity 1

Enables one additional bone charm to be active. (Total 4)
Unlocks:
Bone Charms Capacity 2

Bone Charm Capacity 2

Requires Bone Charm Capacity 1

Enables two additional bone charms to be active. (Total 6)

Sokolov's Elixir

A restorative developed by the famous inventor, Anton Sokolov

Guard Bullets

Bullets stolen from a guard shipment.

Blueprint: Lens Magnification

A diagram for increasing stability in a multi-lens array. Piero can use this to upgrade the magnifying lenses in your mask.

Blueprint: Sokolov's Formula

The formula for Sokolov's Health Elixir. Piero can use this to distill a liquid that restores health and protects against the rat plague.

Sleep Darts

A dart tipped with plant-based poison.

Bolts

Lethal projectiles scavenged from roof-tops.

Rewire Tool

Allows you to rewire circuitry and turn security systems to your advantage. Consumed on usage.