Editing Blood

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[[File:troll_blood_preview.png|thumb|161px|[[Troll]] blood. Known to vampires as "off brand".]]
[[File:Champions.png|161px|thumb|right|Ground smeared in blood, coming straight from the [[Goblin|source]]. ASCII mode.]]

'''Blood''' is a fluid and [[contaminant]] found in the bodies of most living [[creature]]s. The preferred fluid of [[Armok]], it serves as a vital part of those who possess it; losing it tends to be invariably fatal to most things which have it.

[[Blood man|Blood men]] are creatures made out of blood, and [[vampire]]s require it to satiate their thirst needs.

==Dealing with blood==
Much like other contaminants, blood tends to spread ''everywhere'' {{bug|296}}. Dwarves walking on tiles with a blood smear will spread it to the next tile, where it will form a spattering of blood, then a smear, which is why bloody areas tend to grow quickly above ground when heavily trafficked. 

Blood smears located [[tile attributes|indoors]] will automatically be [[Cleaning|cleaned]] by passing dwarves, while those located outdoors will remain there until cleaned by some external factor like [[rain]]. Allocating bloody indoor underground areas as a [[activity zone#Meeting Area|meeting area]] seems to increase their cleaning priority, and they will get cleaned pretty quickly if you have enough idle workers. It is possible to remove blood from a [[soil]] [[floor]] by building a [[dirt road]] on it.

Brooks and similar sources of [[water]] replicate any blood that falls on their tiles, resulting in an endlessly-growing carpet of blood. This can be dealt with by covering the offending brook tiles with [[wall]]s or floors. It is better to forbid an area with blood in above ground areas as rain will randomly clear tiles where it touches it. To be rid of blood splatters on a rough wall, designating the splattered area to be smoothed will make it disappear.

An option in the game [[settings]] permits disabling the spreading of contaminants, including blood.

==Obtaining blood==
Beyond the obvious method of injuring creatures, [[barrel]]s full of blood can be brought with a [[dwarf|dwarven]] expedition upon [[embark]], and bought from dwarven and [[human]] civilizations during [[trading]]. Barrels of blood possess no use beyond being trade goods (making buying them redundant at best and a waste of dwarfbucks at worst, unless you are using it as a currency). Player-controlled dwarves are not able to create blood barrels.

Selecting blood inside a barrel for dumping does not empty the barrel. Using the [[soap|workaround]] for dumping liquids from lye buckets works - view the contents of the barrel, select the blood and forbid or dump it. Alternatively, forbid/dump the blood from the stocks screen in 'liquids' then order the barrel to be brought for trading at the depot.

As with all other contaminants, blood created from injured creatures can't be used for anything (beyond morbid decoration) except smeared blood from a [[vampire]], as drinking vampiric blood will turn the person into a vampire themselves. 

==Assorted blood types==
Not all creatures have the same dark red blood that most do:

*Most invertebrates ([[ant]]s, [[honey bee]]s, [[creeping eye]]s, [[giant cave spider]]s, etc.) possess white-colored '''ichor''', which is functionally identical to blood.
*[[Crab]]s, [[cuttlefish]], [[nautilus]]es, [[octopus]]es and [[squid]]s possess copper-based dark blue blood.
*[[Troll]]s possess cyan-colored blood.
*[[Fire imp]]s and [[demon rat]]s possess gray-colored goo instead of normal blood.

Inorganic creatures such as the [[bronze colossus]], the [[magma man]] and the [[amethyst man]] don't have blood, including particular organics, such as [[sponge]]s and [[Sponge man|their]] [[Giant sponge|variants]], similarly for some types of [[undead]] (skeletons or animated [[skin]]).

Some creatures, when injured, may leave residue like a normal creature would bleed, but not actual blood. For example, a [[titan]] made out of salt may leave piles of salt where it was injured.

==Blood in combat==
{{Translation
| dwarven = nazush
| elvish  = cameda
| goblin  = ogom
| human   = cadem
}}

Blood makes a significant impact during [[combat]]. A strike which causes damage to major arteries can open them, leading the creature to begin bleeding out rapidly. Without any treatment, the wound may eventually cause the creature to die of blood loss, even if it isn't struck down by any other means. This is especially important in [[adventurer mode]], where the impact of blood loss is more noticeable on an individual level. This type of death is common with creatures who get their limbs severed from their bodies.

Most [[syndrome]]s are contracted when the poison enters the victim's blood. Certain sicknesses (such as [[iron man]] cough) include coughing or vomiting blood as symptoms, which may lead to bleeding damage on the afflicted individual. These are usually not fatal, but may lead to the person being left vulnerable in the face of danger. Certain creatures will suck the blood out of their victims upon landing a bite attack (such as female [[mosquito]]s, [[leech]]es and [[nightwing]]s). This is largely irrelevant with [[vermin]] (who can't interact with other creatures anyway), but may be a problem when dealing with their [[savage]] humanoid/giant counterparts.

Creatures with no blood pose a greater challenge to kill as they can't die of blood loss, and they will continue to fight no matter how much damage they suffer to whatever it is they're made of. [[Giant sponge]]s were particularly famous for this.

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[[ru:Blood]]