Difference between revisions of "Item generation"

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Miscellaneous invokable items may replace the generation of any item at item levels greater than 7.
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Miscellaneous evocable items may replace the generation of any item at item levels greater than 7.
  
 
If the item level is below 7 and the generator rolled a staff, a book or a wand, it may randomly change the item type to a potion or a scroll instead. Misc items ([[Evocable items#elementalevokers|elemental evoker]], [[Evocable items#summoningitems|summoning item]] or [[crystal ball]]) are only generated at item level 8 and after with a probability of 0.4% + 0.02% per item level.
 
If the item level is below 7 and the generator rolled a staff, a book or a wand, it may randomly change the item type to a potion or a scroll instead. Misc items ([[Evocable items#elementalevokers|elemental evoker]], [[Evocable items#summoningitems|summoning item]] or [[crystal ball]]) are only generated at item level 8 and after with a probability of 0.4% + 0.02% per item level.
  
Scrolls are generated with the following frequencies:
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Potions are generated with the following frequencies:
  
 
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Latest revision as of 08:53, 23 August 2018

Version 0.22: This article may not be up to date for the latest stable release of Crawl.

Base Type

Number of Items per Level

Levels in Hell, Slime Pits, and the Ecumenical Temple are generated without any items on the floor. Other levels contain between 6 and 36 items lying on the floor, chosen as described below; after level 5, there's a very small chance (about 0.2%) to get a very rich level instead, which contains 11-100 items.

Some levels (fixed bottom branch, random mini-vaults...) may contain additional "fixed" items, defined in the vault layout.

Type of Items Generated

Items in the Orcish Mines are always piles of gold; other items are randomly generated with the following weights:

Item type Probability
Weapon 11%
Ammunition 15%
Armour 11%
Wand 3.6%
Food 7.1%
Scroll 16%
Jewellery 2.6%
Potion 9%
Book 1.5%
Magical staff 0.51%
Gold 22%

Miscellaneous evocable items may replace the generation of any item at item levels greater than 7.

If the item level is below 7 and the generator rolled a staff, a book or a wand, it may randomly change the item type to a potion or a scroll instead. Misc items (elemental evoker, summoning item or crystal ball) are only generated at item level 8 and after with a probability of 0.4% + 0.02% per item level.

Potions are generated with the following frequencies:

Item type Probability
Curing 18.37%
Heal Wounds 10.05%
Lignification, Flight, Haste 6.99%
Might, Degeneration, Agility 6.32%
Brilliance 6.32%
Mutation 5.07%
Invisibility, Resistance, Magic, Berserk Rage, Cancellation, Ambrosia 3.35%
Experience 0.002%