Thief The Dark Project Weapons: Complete Arsenal Guide

Overview of Thief The Dark Project Weapons

Looking Glass Studios' 1998 stealth classic built its entire identity around a smart, versatile arsenal. Every entry in the Thief weapon catalog falls into one of two categories: reusable weapons that never run out and expendable weapons that must be purchased or scavenged one at a time. This design forces players to plan each heist rather than charge in swinging.

The philosophy behind Thief The Dark Project weapons is simple: shadow and silence beat steel. Most missions reward players who knock out or sneak past guards, and on higher difficulty settings, killing human opponents actually fails the mission. That said, the game still offers plenty of firepower for players who prefer a more direct approach or who face non-human foes like burricks, fire creatures, and the undead.

Reusable Melee Weapons: Blackjack, Sword, and Constantine's Sword

Reusable weapons never degrade, can't be dropped, and never need repurchasing. Garrett carries the same core set mission after mission, with a few exceptions like the opening training level where he must first recover his gear.

The blackjack is the signature tool of the series. Sneak behind an oblivious guard, swing, and you have a silent knockout — no blood, no corpse to explain, and no alarm. It only works on humans from behind while they are unaware, so it pairs perfectly with careful movement and shadow discipline.

The sword handles everything the blackjack cannot: armed duels, blocking, and creatures that shrug off blunt force. Constantine's Sword, obtained during the story, stands out as a weapon unique to The Dark Project and Thief Gold, marking Garrett's progression from street thief to legendary operator.

The Bow and Every Arrow Type Explained

Garrett's bow is reusable, but its ammunition is not. Arrows are the heart of the arsenal, and each of the seven types serves a distinct purpose:

• Broadhead Arrow – A lethal, near-silent kill shot. Ideal for eliminating a guard from the shadows without a melee engagement.
• Water Arrow – Extinguishes torches and fireplaces to create darkness; also damages fire-based creatures and cleans up blood puddles that would betray a earlier kill.
• Moss Arrow – Lays a patch of soft moss so Garrett crosses loud surfaces like marble or gravel in total silence.
• Noisemaker Arrow – Produces a distracting sound elsewhere, luring guards away from patrol routes or valuables.
• Rope Arrow – Fires a climbable rope into wooden surfaces, opening vertical routes through mansions and towers. This arrow appears in The Dark Project, Thief Gold, and Thief II, but was famously removed from Deadly Shadows.
• Fire Arrow – Explosive fire damage, useful against tough creatures but loud and obvious.
• Gas Arrow – A knockout cloud that silently drops multiple humans or human-like targets at once, though it is expensive.

Learning when to spend each arrow is the real skill. A single water arrow can turn a brightly lit hallway into a safe corridor; a moss arrow can turn a deadly noisy floor into a stealth highway.

Expendable Tools: Flash Bombs and Holy Water

Beyond arrows, Garrett carries a small selection of thrown expendables:

• Flash Bomb – Blinds everyone nearby, giving Garrett a window to escape or strike. Found where thieves and other criminals stash gear, in confiscated prison lockups, and in storage areas. Against undead, it deals 10 points of damage at the center of the blast.
• Holy Water Vial – A TDP/Thief Gold exclusive that temporarily blesses a water arrow, letting it damage zombies, haunts, and other undead. It is found in Hammerite temples, holy places, and tombs — exactly where you'll need it most.

Unlike modern loadout systems, these items cannot be dropped or lost once acquired; each use simply decrements the inventory count. More valuable tools like mines are usually locked behind doors or stored in chests, so leveling up your lockpicking craft directly expands your tactical options.

Prices and Loadout Planning

Expendable weapons are bought from shops using gold earned by fencing stolen loot, though many arrows are hidden throughout missions disguised in the environment. Knowing shop prices helps you decide how much loot to haul out before starting a mission.

Because water arrows cost twice as much as broadheads but enable most stealth play, experienced players budget for them first. Gas arrows are pricier still, so they are typically saved for multi-guard rooms where a blackjack simply won't cut it. For the full per-game price breakdown across Thief Gold, Thief II, and Deadly Shadows, see the Thief Wiki weapons page.

Tips for Mastering the Arsenal

1. Scout before you spend. A noisemaker arrow costs far less than a fight you can't win.
2. Knock out, don't kill. Blackjacked guards stay quiet; bodies left in hallways get discovered.
3. Save holy water for the crypts. Undead can't be blackjacked, so blessed water arrows are often your only safe option.
4. Stack the shadows. Extinguish a guard's torch route with water arrows, then follow him into the dark for a blackjack takedown.
5. Use rope arrows to skip patrols entirely. High routes bypass most guards and often lead straight to the loot.

FAQ

What weapons does Garrett start with in Thief: The Dark Project? After the training mission, Garrett carries his standard reusable set: the blackjack, sword, and bow. Expendables like arrows and bombs must be purchased or found, and in certain missions — such as Escape! — he must re-collect confiscated equipment first.

Is the blackjack lethal in Thief The Dark Project weapons loadouts? No. The blackjack deals only 1 point of damage and its real function is a stealth knockout on unaware human targets. On higher difficulty settings, avoiding lethal force against guards is often required to complete a mission.

What makes Constantine's Sword special? It is a powerful, story-unique blade found only in The Dark Project and Thief Gold, acquired during the campaign and representing an upgrade over Garrett's regular sword.

How do Holy Water Vials work? A vial temporarily imbues a water arrow with holy power, allowing it to damage undead creatures such as zombies and haunts. Without it, standard weapons are largely ineffective against the undead.

Where can I learn more about the series' full arsenal? The Thief Wiki's weapons overview documents every weapon across all games, including Thief II's additions like the Vine Arrow and the changes made in Deadly Shadows, where the rope arrow was removed and the gas bomb and oil flask were introduced.