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SLASH'EM adds two new types of molds; the disgusting mold and the black mold. Both possess a passive poisonous spore attack. They are safe to eat, however, and have a good chance of providing poison resistance.

Each time you attack one of these monsters in melee without killing it, there is a 2/3 chance that a cloud of poisonous spores will be released. The spores are harmless if you are poison resistant, unbreathing or being strangled. Otherwise, one of three effects will occur: there is a 1/30 chance of the poison being deadly, a 1/6 chance of losing 3–5 points of strength, and a 4/5 chance of losing 6–15 hit points.

Although the source code gives both molds a second passive attack (an acid attack, similar to a green mold), due to a bug in the source code this attack is never actually used.[1]

In SLASH'EM, molds now grow from old corpses. See Fungus.

Disgusting mold

The disgusting mold is a type of mold new to SLASH’EM. It is sessile, meaning it will not move and can only cause damage through its passive attacks. Despite its difficulty, it can be found growing on corpses as early as level one. Players encountering one should find a way to avoid or resist its passive attack. Means of doing so include:

If you lack any of the above, simply avoid the mold until you do. Since molds never move, they can pose a problem if they are blocking the only entrance to a room. Thus, one should always pick up a digging tool as early as possible, especially since it is a good idea regardless.

Note that the corpse of a disgusting mold is safe to eat, and has a 33% chance of granting poison resistance.

Black mold

While the black mold is flagged as only being generated in Gehennom, this is ignored for the purposes of growing on corpses. It is otherwise very similar to the disgusting mold, and the advice for dealing with it is much the same. Be sure to eat its corpse if you lack poison resistance: it is safe and has a 40% chance of conferring the intrinsic.


  1. See SLASH'EM 0.0.7E7F2/uhitm.c#line3033, the code breaks out of the loop when it hits a passive attack.

Encyclopedia Entry

Mold, multicellular organism of the division Fungi, typified
by plant bodies composed of a network of cottony filaments.
The colors of molds are due to spores borne on the filaments.
Most molds are saprophytes. Some species (e.g., penicillium)
are used in making cheese and antibiotics.

[ The Concise Columbia Encyclopedia ]
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