Green mold

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F green mold Green mold.png
Difficulty 2
Attacks

Passive 0d4 acid

Base level 1
Base experience 9
Speed 0
Base AC 9
Base MR 0
Alignment 0 (neutral)
Frequency (by normal means) 1 (Very rare)
Genocidable Yes
Weight 50
Nutritional value 30
Size Small
Resistances Acid, petrification
Resistances conveyed Cures stoning

A green mold:

Reference monst.c#line1313

A green mold, F, is a type of monster that appears in NetHack. The green mold is a type of acidic mold that is sessile and lacks limbs, eyes or a head like all molds.

A green mold has a passive attack that has a 1⁄2 chance of triggering when it is attacked in melee, dealing acid damage against attackers without acid resistance dependent on the attacker's level as well as abusing strength[1][2]—this can splash the attacker in acid even if the attack kills the mold, and is affected by cancellation.[3][4] Being splashed by the green mold's passive acid can also subject the attacker's armor and weapons to corrosion: armor has a 1⁄30 chance to corrode regardless of the melee attack type, and certain armor and weapons have a 1⁄6 chance of corroding if used to strike the mold directly.[5][6][7][8] Green molds possess acid resistance and stoning resistance.

A green mold corpse is acidic to eat, and eating a green mold corpse or tin immediately cures stoning on the first bite.[9][10] While green mold corpses and tins are flagged to grant stoning resistance when eaten, there is no relevant code that actually reads this flag.[11]

The following information pertains to an upcoming version (3.7.0). If this version is now released, please verify that the information below is still accurate, then update the page to incorporate it.

Eating a green mold grants temporary stoning resistance, as with all stoning-resistant monsters, and can also grant temporary acid resistance.

Generation

Randomly generated green molds are always created hostile.

Strategy

While green molds are not as dangerous to a starting hero or their pet as other molds, they can still be hazardous for the hero's equipment, and the acidic passive can also leave pets at low HP and unable to deal effectively with other threats. Any ranged attack can kill a green mold easily with much less risk, with disposable or non-corroding weapons and projectiles being the most ideal.

History

The green mold first appears in NetHack 3.0.0.

Variants

SLASH'EM

In SLASH'EM, green molds have a 9⁄10 chance of reviving from their corpses like other non-lichen fungi and molds.[12] A green mold has an overall 7.4% chance of generating from a corpse that reach 51 turns of age, is not acidic, and is not located within or on top of a square of water, ice or lava.[13][14][15][16]

Green molds can be generated in fungus farms.

dNetHack

In dNetHack, notdNetHack and notnotdNetHack, green molds have a roughly 1% chance to grow from old corpses similar to SLASH'EM, and can revive from their own corpses.

xNetHack

In xNetHack, green molds and other fungi and molds take extra damage from copper items, and similar to SLASH'EM they can grow from old corpses, though with much lower odds. Acidic corpses will always generate green mold this way.

Green mold corpses can be used to brew potions by dipping them in fruit juice, which eventually turns the juice into a potion of acid.

SpliceHack

In SpliceHack, green molds and other fungi and molds take extra damage from copper items, and similar to SLASH'EM they can grow from old corpses. A green mold can grow up into a green moldier.

SlashTHEM

In SlashTHEM, green molds are slightly less likely to generate from old corpses due to the addition of some new fungi and molds. All other SLASH'EM details apply.

Hack'EM

In Hack'EM, green molds and other fungi and molds take extra damage from copper items, and similar to SLASH'EM they can grow from old corpses. As in SpliceHack, a green mold can grow up into a green moldier.

Similar to xNetHack, green mold corpses can be used to brew potions by dipping them in fruit juice, eventually producing a potion of acid.

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 ]

References

  1. ↑ src/uhitm.c in NetHack 3.6.7, line 2776: case for acid passive against you
  2. ↑ src/uhitm.c in NetHack 3.6.7, line 2784: check for acid resistance versus hero
  3. ↑ src/uhitm.c in NetHack 3.6.7, line 2762: cases below this line affect the hero even if they kill the defender
  4. ↑ src/mhitm.c in NetHack 3.6.7, line 1608: check for acid resistance versus monsters
  5. ↑ src/uhitm.c in NetHack 3.6.7, line 2786: corrosion of hero's armor from acid splash
  6. ↑ src/uhitm.c in NetHack 3.6.7, line 3011: corrosion of hero's armor and/or weapons used in the attack
  7. ↑ src/mhitm.c in NetHack 3.6.7, line 1621: corrosion of monster's armor from acid splash
  8. ↑ src/mhitm.c in NetHack 3.6.7, line 1623: corrosion of monster's armor and/or weapons used in the attack
  9. ↑ src/eat.c in NetHack 3.6.7, line 738: acidic corpses cure stoning
  10. ↑ src/eat.c in NetHack 3.6.7, line 1368: Eating a tin calls cprefx, but not eatcorpse on line 1644, where stomach acid is handled.
  11. ↑ src/monst.c in NetHack 3.6.7, line 1321
  12. ↑ mkobj.c in SLASH'EM 0.0.7E7F2, line 764
  13. ↑ mkobj.c in SLASH'EM 0.0.7E7F2, line 765
  14. ↑ do.c in SLASH'EM 0.0.7E7F2, line 1685
  15. ↑ mkobj.c in SLASH'EM 0.0.7E7F2, line 811
  16. ↑ do.c in SLASH'EM 0.0.7E7F2, line 1680
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