Obsidian (material)

This article is about the material in dNetHack and its derivatives. For the valuable gem, see obsidian stone.

Obsidian is a form of object material that appears in dNetHack, notdNetHack and notnotdNetHack.

Generation

The following items have a base or default material of obsidian, with some items reflecting their material in their appearance:

• droven bolt ("obsidian crossbow bolt")
• droven spear ("obsidian long spear")
• droven dagger ("obsidian dagger")
• tecpatl ("notched dagger")
• droven short sword ("obsidian short sword")
• droven greatsword ("obsidian two-handed sword")
• droven lance ("obsidian lance")
• misotheistic pyramid ("black-stone pyramid")
• wand of darkness (always an "obsidian wand")

The droven items that are listed above and can have varied object materials have a ⁹⁄₁₀ of being made of obsidian as normal. Orcish items that are not given a set material have a ¹⁄₂₀₀ chance of being made of obsidian.

All obsidian droven weapons in a drow hero's starting inventory will be drug-coated. Drow Pirates will have obsidian versions of any items in their starting inventory that would normally be made of iron.

Description

Obsidian is a rigid glass-like material that is neither organic nor metallic and has ³⁄₄ the density of iron and steel, making it much lighter in weight compared to most metallic materials. It is fragile and vulnerable to shattering, especially when thrown or fired, and its stages of erosion are "cracked", "chipped" and "fragmentary"—erosion-proofing an obsidian item will prevent shattering. The inclusion of obsidian as a separate material means that gemstone items cannot be generated as being made of obsidian stone.

Obsidian items usually have twice the base cost of their iron or steel counterparts, meaning that an obsidian two-handed sword will cost 100zm versus 50zm for a standard iron two-handed sword. Obsidian weapons that deal piercing and/or slashing damage gain a +2 bonus to the size of their damage dice, e.g. the same obsidian two-handed sword deals 1d14 damage versus small monsters and 3d8 damage versus large ones (compared to 1d12 and 3d6 for an iron one).

A hero that has the spirit Nudzirath bound will passively cause any obsidian weapons that they shoot or throw to explode in a 3x3 square radius for an additional 1d5 spirit dice worth of damage, which is added to the weapon's normal damage.

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