Object materials

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Object materials
Author L
Download link
NetHack PatchDB unknown

Object materials is the name of a system that allows various objects to generate made of something different from their ordinary base material. It was first introduced in NetHack brass, and L later made it into a standalone patch.

Summary

The general purpose of the patch is to increase the variance in equipment that a player may come across in NetHack and/or its variants, as well as the strategies employed with such items. This can have diverse effects on a given game: one hero may realize too late that their gold wand of death was a valid target for an overlooked leprechaun; another may employ a pair of mithril short swords to slice their way through hordes of orcs; still others may try to assemble an all-silver full-body set of armor to thoroughly demon-proof themselves before entering Gehennom; and aspiring casters will try to wear as much non-metallic clothing as possible.

Artifacts

Artifacts, including artifact weapons, tend to have a set base material; it is sometimes possible to name or create certain artifacts such as Sting and Excalibur, with a weapon of the desired material, though whether this is allowed depends on the variant.

Monsters and object materials

In games with some form of object materials included (typically variants), monsters also have various interactions with each type of object, the more common of which are listed below.

Material hatred

Material hatred is used to refer to any particular material that deals extra damage to a certain type of monster, much like the standard interactions between werecreatures and silver (e.g. elves may have an aversion to iron weapons).

Golems

Golems that are generated randomly or via polypiling may death drop items made of that material among the pile of objects that they leave behind as their standard "corpse".

Leprechauns

Leprechauns are usually able to steal items made of gold in addition to gold coins.

Croesus

Croesus often generates with weapons and/or armor that are made of gold.

Object materials by variant

Variants that incorporate some kind of object materials include GruntHack, dNetHack, xNetHack, SpliceHack, and EvilHack; GruntHack's implementation diverges the most from that of L's patch, and is thus much different from other variant implementations.

Below is a list of each variant's implementation of object materials.