DF2014:Giant cave spider
|Urist likes giant cave spiders for their mystery.|
Cave spider - Giant cave spider
Building destroyer: Level 1
Not hunting/war trainable
|Adult:|| 200,000 cm3
| Butchering returns
(Value multiplier x4)
|This article is about the current version of DF.|
- A large underground monster with eight legs and sharp, venomous fangs.
Giant cave spiders (also known as GCS) are far different from your regular cave spiders; those are just treats for your cat. Giant cave spiders are as big as grizzly bears and will make treats of cats, dwarves, and the occasional careless adventurer. You can find giant cave spiders in, obviously, caves, caverns and most underground areas. They are the most dangerous creature in the caverns, excluding some forgotten beasts, as they feel no pain, cannot be stunned, can poison creatures and have the ability to shoot webbing to ensnare their prey, with a range of 5 squares. If you see a giant cave spider in adventurer mode, an announcement, "You've spotted a Giant Cave Spider!" will appear.
Giant cave spiders are not a rarity with dozens present in the underground caverns, deep below the surface. They can be extremely hard to kill. They do not pose a big threat to a fortress when undisturbed, but when a dwarf does disturb one, Armok bless the soul of the unlucky dwarf. On occasion, however, a lucky dwarf might pound one to death within a few attacks by punching its skull into its brain, which can be a godsend after an unfortunate cavern breaching exercise.
Webs are quite useful when they aren't being used in an attack against you. Giant cave spider silk is worth twice as much as plant-derived textile and, given the proper setup and victims, can be produced in endless amounts. Giant cave spiders are building destroyers and will topple wooden furniture on sight.
Some dwarves like giant cave spiders for their mystery.
Giant cave spiders fight by throwing impressively large amounts of web at their enemies and biting them. Once an enemy is webbed, the spider goes for the head.
Giant cave spider venom appears to be a neurotoxin which causes progressive paralysis and is ultimately fatal due to suffocation as the victim's diaphragm succumbs and ceases to function. The poison's effects set in relatively quickly, with complete paralysis after 720 seconds (10 time units) and with death usually occurring after 1300 seconds. In terms of Fortress mode, and depending on the speed of the victim, the venom will paralyze an infected dwarf within two steps and cause death by suffocation soon after.
Giant cave spider venom is only deadly on relatively small creatures, unlike giant desert scorpion venom. It only tends to induce mild paralysis of members on large creatures such as giants, meaning a giant cave spider cannot typically kill large creatures. However, it will incapacitate and exhaust them very well.
In older versions, a lone giant cave spider could take on and fight equally with all of the semi-megabeasts and most of the megabeasts (with the notable exception of dragons, due to !!giant cave spider!! syndrome). They couldn't kill them, but not even a bronze colossus is immune to webs. They were more dangerous than cave dragons and the only thing in the caverns that could reliably win against them is a forgotten beast with webs or ranged attack. However, as of the latest version, a cyclops or an ettin will reliably kill a GCS one-on-one.
 Killing a GCS
Due to giant cave spiders only attacking the head of a webbed dwarf, a few dwarves armored with steel helmets should be a match for a lone GCS. The coding for all creatures sets headshots as the number one priority if possible, and the web ensures that a headshot is indeed always possible. You may want to avoid using untrained dwarves for this though, because the spider will still counterattack if the dwarf misses, potentially landing a blow on an unprotected area of the dwarf. One way to minimize this problem is to make the dwarf wear full armour.
Fortunately (or unfortunately...), giant cave spiders tend to take time to kill their prey, giving you time to kill the GCS and save the dwarf, if you are so inclined of course. You may however not be able to save the dwarf from the GCS poison.
Another strategy is to use large trained animals to kill the GCS; two giant black bears, giant grizzly bears, or giant polar bears will usually kill a GCS. The giant grizzly bears have the advantage that they can be trained for war, further increasing their strength. Other animals that can kill a GCS very effectively include:
Due to the considerable value of giant cave spider silk, many players attempt to capture a live spider and set up a silk farm to boost their fortress's economy. While simply opening a path to the caverns and lining it with cage traps may eventually work, a much more effective method is to take advantage of one peculiar behavior of building destroyers: simply build a wooden door within the caverns and surround it with cage traps (to a distance of at least 2 tiles), and any giant cave spider (or giant cave toad, giant olm, cave crocodile, etc.) that wanders relatively close enough to the door will immediately charge toward it and be captured. Or, if you have enough mechanisms, cages and dwarfpower to spare, cage trap all of the cavern exits.
Another thing that can be done with a captured giant cave spider is turn it into a pet. They possess a pet value of 2,500, being the most valuable animals in the game who aren't cave dragons or megabeasts. It's wasteful to simply butcher them for meat, as multiple spiders can be captured and bred in order to create a very formidable fortress defense force. GCSs are born adults and as such cannot be turned fully tame, but a skilled animal trainer will ensure they never revert back into hostility.
 Farming silk
Giant cave spiders can be a very lucrative and nearly-inexhaustible source of silk thread for your weavers. The general idea is to expose the spider to a target, causing it to spew webs which can later be collected. Well-designed silk farms can maximize safety and production, and greatly increase fortress wealth.
 Live training
Pit an entirely metal-armored dwarf (the metal used seems to be unimportant) against a wild giant cave spider. Enjoy as the dwarf gets webbed, then the GCS attempts to bite the dwarf, but fails due to armor.
As it will never attempt any other attack, the GCS will keep biting metal, fail to injure the dwarf, and each attack will train your dwarf in armor using far faster than training or sparring.
As you probably don't want to kill something as rare and precious as a giant cave spider for just training armor user on a dwarf, you may want to set the training area on a lever-linked bridge, then pull the lever and fling/let fall the GCS on cage traps, therefore separating harmlessly the dwarf and the GCS.
NOTE: As of the latest version of Dwarf Fortress, Giant Cave Spiders will sometimes attempt to wrestle their targets. This means that a Giant Cave Spider will eventually manage to place a chokehold on a webbed dwarf if it can't bite through the dwarf's armour, thereby causing the dwarf to suffocate. They may also end up placing joint locks on the dwarf, thereby causing bone fractures that usually result in the dwarf going unconscious.
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