Yellow Mould
Deadly fungus that covers walls, ceilings, and other surfaces
Old-School Essentials Classic Fantasy
| Armor Class | No hit roll required |
|---|---|
| Hit Dice | 2* (9hp) |
| Number Appearing | 1d8 (1d4) |
| Attacks | 1 × spores (1d6 + choking) |
| THAC0 | 18 [+1] |
| Movement | 0' (0') |
| Saving Throws | D12 W13 P14 B15 S16 (2) |
| Morale | 12 |
| Alignment | Neutral |
| XP | 25 |
| Treasure Type | None |
Deadly fungus that covers walls, ceilings, and other surfaces.
Special Abilities
Area: Each 10 square feet (e.g. 2’ × 5’) covered in yellow mould is treated as one “individual”. (A 10’ × 10’ area would consist of 10 individual moulds.)
Immunity: Unharmed by all attacks but fire (a burning torch does 1d4 damage).
Spore cloud: 50% chance of attacking if touched (or damaged): releases a cloud of spores affecting all within a 10’ cube area.
Choking: Save versus death or die within 6 rounds.
Erosion: Wood or leather in contact with the mould will be eaten away.
Other Sources
OSRIC
When touched, yellow mould releases spores in a 10-ft cubed choking cloud. Any creature within this area will die unless it successfully saves vs poison; a character who fails his or her save will require a cure disease and resurrection to be made whole again. If a surface covered in yellow mould is handled roughly, there is a 50% chance spores will be released in such a cloud.
Yellow mould is susceptible only to fire and fire attacks. A continual light spell will force the mould to go dormant for 2d6 turns until it covers the light source.
Special Abilities
Spore Cloud: When touched, releases spores in a 10-ft cubed choking cloud. Any creature within this area will die unless it successfully saves vs poison; a character who fails requires cure disease and resurrection. If handled roughly, 50% chance of spore release.
Fire Vulnerability: Yellow mould is susceptible only to fire and fire attacks.
Light Dormancy: A continual light spell will force the mould to go dormant for 2d6 turns until it covers the light source.