Crossbow

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v50.14 · v0.47.05 This article is about the current version of DF. Note that some content may still need to be updated. More Info · V

See Weapon for a general overview of weapons and related information.

Sketch by Leonardo da Vinci, c. 1500

Crossbows are the only native ranged weapon available to dwarves (although one can also acquire blowguns and bows through trading or looting of failed sieges). While more difficult to set up than melee weapons, crossbows have the distinct advantage of allowing dwarves to fight at range, often killing enemies before they can enter melee distance. They are thus an excellent support weapon, especially if you have already filled out your meat shields melee squad(s).

Production

Crossbows can be made from a variety of materials, be they wood, bone or metal. The quality of a crossbow influences its accuracy (along with the skill of the marksdwarf), while the quality of the bolts influences the damage done on a successful hit.

Material	Skill	Workshop	Consumed
metal1	weaponsmith	metalsmith's forge	1 bar
(ammo x25)	weaponsmith	metalsmith's forge	1 bar
wood2	bowyer	bowyer's workshop	1 log
(ammo x25)	bowyer	craftsdwarf's workshop	1 log
bone	bowyer	bowyer's workshop	1 bone off stack
(ammo x5)	bowyer	craftsdwarf's workshop	1 bone

Notes:

1) All materials perform equally well as a ranged weapon. However, if an enemy closes into melee range with a marksdwarf, they will use their crossbow as a hammer. For this reason, you may want to make your military crossbows out of a metal*, and leave the bone/wood crossbows for hunters or wall defenders.

(* For blunt-force weapons (including crossbows in melee): Steel and Silver(!) seem to be slightly preferable, but Iron, Bronze (including Bismuth Bronze), and Copper are all a very close second. All are vastly superior to wood or bone.)

Similarly, metal bolts are far superior to wood/bone, with (in order) Steel, Iron, Bronze/Bismuth Bronze, and Copper being preferred, with Silver a distant last.

2) For similar reasons, denser woods are proportionally preferable to lighter ones for both crossbows and ammo.

Ranged combat

Crossbows shoot bolts as their ammunition, and will engage targets up to 20 tiles away, including shooting down z-levels. Shot bolts may miss the target and fly a bit further than intended, potentially striking another foe (but never a friendly soldier on the other side).

The material that the crossbows are made of is irrelevant to ranged combat, whereas the quality of the craftsdwarfship and skill of the marksdwarf determine accuracy, and the quality and material of the bolts themselves (metal being better than bone being better than wood) determine damage. If you are confident your melee soldiers can keep your marksdwarves safe from melee engagements and have a skilled bowyer, then easily-produced, high-quality wooden or bone crossbows are excellent equipment for your marksdwarves.

As can be expected, targets that are stationary are much easier to hit than those that are moving. Since marksdwarves can down targets at range, they do a much better job taking down fleeing thieves and goblin ambushes that your regular soldiers might not be able to catch.

Melee combat

Nonetheless, marksdwarves that are approached by enemies will engage in melee combat with them, using the butt of their crossbows like hammers. Because of this it is useful to cross-train your dwarves with hammering skill, so that they will be better able to stand their ground in a fight, but a marksdwarf fighting a similarly armed and armored enemy with a melee weapon will usually lose either way. Focusing their training in defensive skills such as Blocking and Dodging is much more convenient, since it lets them at least hold off the enemy long enough to give a soldier more suited for melee combat a chance to surprise the enemy and dispatch them quickly.

The denser the material, the more damage a crossbow butt-strike will do in melee combat. Metal, specifically copper with its SOLID_DENSITY of 8930, performs the best and feather tree wood the worst.

Logistics

Crossbows require bolts and a quiver to fire, otherwise crossbows are used as hammers. Bolts are typically carried in quivers, which can be made of leather from leatherworking, obtained from caravans, or as goblinite.

When shot, one of two things will happen: either the bolt will shatter on impact with the ground or the target, or it will stay whole and, when all's said and done, be retrievable. This is a bit difficult, however, as shot bolts are automatically forbidden by default; in the orders screen, under [F]orbid, you can change it so that shot ammunition is automatically claimed. Otherwise, the easiest way to reclaim spent ammunition is to find them in the stocks screen and unforbid them.

Military barracks for marksdwarves require archery targets for training. Bolts will be a constant demand from a training marksdwarf squad, though you can just create a large stock of wooden bolts for training purposes and reserve metal bolts for actual combat use.

Hunting

Hunters use crossbows when hunting; migrant hunters automatically arrive with a free crossbow and a small number of bolts, and hunters will automatically pick one up from your ammunition stockpile when they go hunting, as well as the necessary quiver and bolts. Hunters have a special section in the military screen, from which you can modify their ammunition allotment. Disabling the hunting labor will cause them to drop their weapon and equipment at the nearest applicable stockpile, and is absolutely necessary if you have embarked in a particularly fun location. Hunters usually give up on hunting if they run out of carried ammunition.

Forging and Melting

• Metal crossbows cost one metal bar to forge, or three adamantine wafers.
• When a non-adamantine metal crossbow is melted down, it will return 0.9 metal bars, for an efficiency of 90%.
• When an adamantine crossbow is melted down, it will produce 0.9 wafers, for an efficiency of 30%

Bugs

• If squad is assigned multiple ammo types, dwarves with "individual choice ranged" carry wrong ammo^Bug:1374. (Fixed in 0.42.03?)

See Also

Crossbowman
Archery

"Crossbow" in other Languages Dwarven: metul-egdoth Elven: arifi-ramí Goblin: sakor-uneg Human: om-ethro

Raws
[ITEM_WEAPON:ITEM_WEAPON_CROSSBOW] [NAME:crossbow:crossbows] [SIZE:400] [SKILL:HAMMER] [RANGED:CROSSBOW:BOLT] [SHOOT_FORCE:1000] [SHOOT_MAXVEL:200] This is just to make sure a near-weightless object doesn't go faster than the string could possibly go. [TWO_HANDED:0] [MINIMUM_SIZE:15000] [MATERIAL_SIZE:3] [ATTACK:BLUNT:10000:4000:bash:bashes:NO_SUB:1250] [ATTACK_PREPARE_AND_RECOVER:3:3]

V · T · E Weapons
Ranged and ammunition	Blowgun and blowdart · Bow and arrow · Crossbow and bolt
Blunt	Flail · Mace · Maul · Training weapons · War hammer · Whip
Edged (slashing)	Battle axe · Great axe · Halberd · Long sword · Scimitar · Scourge · Short sword · Two-handed sword
Edged (piercing)	Dagger · Morningstar · Pick · Pike · Spear
See also: Attack types