Saturday, 18 April 2026

Scenario #16: The Caverns Beyond the Mine





This is a short adventure for characters of levels 1-3 who have completed Vlastag Silver Mine. At the back of the mine in room 17 there is a pothole in the floor dropping down 40ft to the floor of area 1 on this map. If the PCs are brave or foolish enough to climb or abseil down, they will enter this cave complex which is a part of the Shadowdeep, albeit part that is very close to the surface world. . 
This short adventure is not all hack and slash. A lot of the inhabitants of these caves are fungivorous and are not interested in attacking adventurers - this is more of a snapshot of an underground wilderness the PCs are travelling through than an underground fortress or obstacle course. Having said that there are 2 sentient factions here, the troglodytes (areas 9-11) and the goblins (areas 20-24), though it is possible that the PCs find their way out without encountering either of these groups.  
Here the main aim is to exit the cave system safely. The PCs start in area 1 (descending from area 17 in the Vlastag Mines) and the way to the surface is the southern exit of area 16 here. 

1) This cavern holds 4 giant fire beetles grazing on a large patch of harmless fungi. The fire beetles are not aggressive but will defend themselves if attacked. There is of course an opening in the ceiling leading to area 17 in Vlastag Silver Mine
Giant Fire Beetles: AC 4, HD 1+2, hp 6 each, Move 120ft, THAC0 18, Att 1 bite for 2d4, Save F1, Ml 7, Align N, XP 15 each

2) Empty apart from some broken stalactites and stalagmites

3) 6 cave lice live here. They are harmless unless attacked, and will try to scurry away from humanoids.  Note that embedded in the walls here are 5 clear quartz crystals worth 30gp each. However, removing them will generate a ringing frequency that causes the lice to react angrily. It takes 1 turn to remove each crystal, or half that if the PCs have pickaxes. 
Cave Lice: AC 2 on top, 7 underneath, HD 1, hp 4 each, Move 60ft, THAC0 20, Att 1 bite for 1d3, Save NM, Ml 6, Align Neutral, XP 10 each

4) There is a white ape in the patch of fungi in the northern alcove. It has unwisely been grazing on mushrooms with a psychedelic effect, and and the ape now acts as if under the effects of a confusion spell - roll on the Confusion effects table when first encountered and again after every game turn. The DM can also use the NPC reaction table but without charisma modifiers. If the roll indicates a friendly reaction from the ape, it believes the PCs to be fellow apes and will behave accordingly. 
These psychedelic fungi are greenish-yellow in hue and there is one particular patch of them. Collecting the whole patch (10lb weight) will be lucrative as alchemists will be interested in the fungal properties (100gp value to alchemists or herbalist).
White Ape: AC 6, HD 4, hp 20, Move 120ft, THAC0 16, Att 2 claws for 1d4/1d4, Save F2, Ml 7, Align N, XP 75

5) This cavern has a stream running through it from west to east. The stream is shallow (1ft deep, 5ft wide) but splashing around in it are 3 giant toads. They are carnivorous and will attack any humanoids that enter their stream. They will target the smallest-looking member of the party as they are after an easy meal. 
Giant Toad: AC 7, HD2+2, hp 10 each, Move 90ft, Att 1 bite for 1d4+1 or 1 tongue (range 15ft), dragging small creatures to toad. On a to hit roll of 20, small opponents are swallowed whole, taking 1d6 damage/round. Save F1, Ml 6, Align N, XP 25 each

6) This side cave is empty

7) This large cavern is apparently empty but high up in the vaulted ceiling there are 2 giant bats. They are not particularly aggressive and if left alone they will stay up in their ceiling roost - they have had their fill of invertebrate prey. But if disturbed (e.g. shot at) they will defend themselves. 
Giant Bat: AC 6, HD 2, hp 6, 8, Move 30ft/fly 180ft, THAC0 18, Att 1 bite for 1d4, Save F1, Ml 8, Align N, XP 20 each

8) This cavern has several patches of fungi, and there are creatures grazing on them - in the northern patch there are 4 cave locusts while in the southern patch there are 6 manticore rats. They ignore each other and will probably ignore the PCs if there are no loud noises or acts of aggression. 
Cave Locust: AC 4, HD 2*, hp 9 each, Move 60ft/fly 180ft, THAC0 19, Att 1 bite for 1d2 or 1 bump for 1d4, Save F2, Ml 5, Align N, XP 25. Gooey Spit: If a locust spits at an opponent it rolls to hit AC 9. If successful the opponent must save vs poison or be incapacitated for 1 turn due to awful smell.  
Manticore Rat: AC 8, HD 1, hp 4 each, THAC0 19, Att 1 tail for 1d4, Save NM, Ml 5, Align N, XP 10

9) The Pointed Cave: This cave is filled with stalactites and stalagmites, and is home to a pack of 4 troglodytes who will try to use the rock formations to ambush any humanoids wandering through. They will hold off on their stench until melee is already initiated. 
Troglodyte: AC 5,HD 2*, hp 9 each,  Mv 120ft, THAC0 18, Att 2 claws/1 bite for 1d4/1d4/1d4, special atttack: stench, Ml 9, Save F2, Align C, XP 30 each
Troglodyte stench: Troglodytes can release a stench at will which requires opponents within 10ft to save vs poison or suffer -2 to hit while in melee with the troglodyte until the end of the encounter
Troglodyte camouflage:  Troglodytes have chameleon-like camouflage and can surprise opponents on 1-4 on d6

10) This side cave has 2 troglodytes  guarding a cluster of 6 large eggs (laid by a female troglodyte). 
Troglodyte: AC 5,HD 2*, hp 9 each,  Mv 120ft, THAC0 18, Att 2 claws/1 bite for 1d4/1d4/1d4, special atttack: stench, Ml 9, Save F2, Align C, XP 30 each
Troglodyte stench: Troglodytes can release a stench at will which requires opponents within 10ft to save vs poison or suffer -2 to hit while in melee with the troglodyte until the end of the encounter
Troglodyte camouflage:  Troglodytes have chameleon-like camouflage and can surprise opponents on 1-4 on d6

11)  Here are 2 troglodytes and a troglodyte leader, a particularly large and craggy individual who bosses the other troglodytes around. In an earthenware pot there is the troglodytes’ treasure: 5400sp, 1100gp, 4 moss agate gems worth 40gp each and a non-magical amulet of gold and lapis lazuli worth 600gp
Troglodyte Leader: AC 5, Move 120ft, HD 5+5, 25hp, THAC0 14, Att 2 claws/1 bite for 1d4+1/1d4+1/1d4+1, Spec Abil: Camouflage (surprise opponents on 1-3 on 1d6), stench as normal troglodytes, Save F5, Ml 10, Align C,  400xp
Troglodyte: AC 5,HD 2*, hp 9 each,  Mv 120ft, THAC0 18, Att 2 claws/1 bite for 1d4/1d4/1d4, special atttack: stench, Ml 9, Save F2, Align C, XP 30 each
Troglodyte stench: Troglodytes can release a stench at will which requires opponents within 10ft to save vs poison or suffer -2 to hit while in melee with the troglodyte until the end of the encounter
Troglodyte camouflage:  Troglodytes have chameleon-like camouflage and can surprise opponents on 1-4 on d6

12) This side cave is empty

13) This end of the large cavern is occupied by a giant draco lizard that is currently clinging to a cleft in the ceiling, ready to swoop down on potential prey. 
Giant Draco Lizard: AC 5, HD 4+2, 15hp, Move 120ft/fly 210ft, THAC0 15, Att 1 bite for 1d10, Save F3, Ml 7, Align N, 125xp

14) This side cave is home to 5 manticore rats. They will squeak loudly at anyone entering but won’t attack except in self-defence. 
Manticore Rat: AC 8, HD 1, hp 4 each, THAC0 19, Att 1 tail for 1d4, Save NM, Ml 5, Align N, XP 10

15) This oversized alcove has numerous fungi in a large patch, and is being grazed by 8 cave lice
Cave Lice: AC 2 on top, 7 underneath, HD 1, hp 4 each, Move 60ft, THAC0 20, Att 1 bite for 1d3, Save NM, Ml 6, Align Neutral, XP 10 each

16) This great cavern has a ceiling about 50ft high. To the south there is a large tunnel about 30ft wide and 20ft high that leads out of the cave system and to an exit onto the surface in the middle of a copse of oak trees not far from the entrance of Vlastag Silver Mine. 

17) This grand cavern has a high ceiling and a stream running through it. The stream forms a pool and in here there is a rock python, lying in wait for prey.  The rock python has a gem (a large Zircon worth 500gp) lodged in its stomach that can be found if cut open. Discarded on the edge of the pool are a set of goblin-sized leather armour and a goblin-style shortsword (left by the deceased goblin chief). Also scuttling around the edges of the cavern are 7 giant fire beetles in a small herd that will not attack if left alone. 
Giant Fire Beetles: AC 4, HD 1+2, hp 6 each, Move 120ft, THAC0 18, Att 1 bite for 2d4, Save F1, Ml 7, Align N, XP 15 each
Rock Python: AC 6,  HD 5 , hp 21, Mv 90ft, THAC0 15, Att 1 bite for 1d4 or 1 squeeze for 2d4, Save F3, Ml 8, Align N, XP 300, If bite attack is successful the python will wrap itself around target and squeeze for automatic 2d4 damage per round (no need to roll to hit)

18) This room is covered in stalactites and stalagmites and is difficult to move around (half movement) if the moving creature does not have a climb speed. There are 2 giant crab spiders here that will attack any intruders that get close enough. The northern end is covered in cobwebs and in the cobwebs are 2 corpses of hobgoblins, former guards in the silver mine. One of them has 5 silver ingots (worth 100sp/10gp each) while another has a sack of 125gp. 
Crab Spider: AC 7, HD 2* hp 5 & 8, Mv 120ft, THAC0 18, Att 1 bite for 1d8+ poison (save vs poison or die in 1d4 turns), Save F1, Ml 7, Align N, XP 25

19) This cave has many different fungi. Lurking in the patch is a shrieker that is covered in yellow mold - anyone attacking the shrieker will release yellow mold spore clouds. The shrieking will attract both the giant crab spiders from area 18 and the goblins in area 20. The goblins know of the yellow mold and will not go near the shrieker. 
Shrieker: AC 7, HD 3 (13 hp), Mv 9ft, THAC0 none, Shriek attracts monsters, Save F2, Ml 12, Align N, 20xp 
Yellow Mold: AC (always hit), HD 2**, hp 10, Move 0, THAC0 n/a, Att see below, Save F2, Ml n/a, Align N, XP 30. Spores: 50% chance per being hit that the yellow mold will release a cloud of toxic spores in 10ft x 10ft x 10ft volume. Anyone caught in this cloud must save vs Death Ray or choke to death in 6 rounds 

20) Here are 6 goblins, 2 goblin archers + 1 goblin veteran around a campfire. There are also 2 barrels - one of low-quality beer and another with edible fungi. 
Goblin: AC 6, HD 1-1, hp 4 each, Move 60ft, THAC0 19, Att 1 weapon for 1d6, Save NM, Ml 7, Align C, XP 10 each, equipment: leather armour, shield , hand axe, 10sp 
Goblin archer: AC 7, HD 1-1, hp 4 each, move 60ft, THAC0 19, Att 1 shortbow (range 50ft/100ft/150ft) for 1d6 or 1 hand axe for 1d6, Save NM, Ml 7, Align C, XP 10 each, equipment: leather armour, shortbow, quiver +10 arrows, hand axe, 10sp
Goblin Veteran: AC 6, HD 2-1, hp 9, Move 60ft, THAC0 17, Att 1 shortsword for 1d6+2, Save F2, Ml 8, Align C, XP 20, Equipment: Leather armour, Shield, Shortsword +1, 35gp & 100sp

21) There are 4 goblins & 2 goblin archers here, guarding two patches of fungi that have been fenced off with 5ft high wicker fences.  Inside the fences among the fungi are  22 bat-eared rabbits (10 in the north patch, 12 in the south patch). 
Goblin: AC 6, HD 1-1, hp 4 each, Move 60ft, THAC0 19, Att 1 weapon for 1d6, Save NM, Ml 7, Align C, XP 10 each, equipment: leather armour, shield , hand axe, 10sp
Goblin archer: AC 7, HD 1-1, hp 4 each, move 60ft, THAC0 19, Att 1 shortbow (range 50ft/100ft/150ft) for 1d6 or 1 hand axe for 1d6, Save NM, Ml 7, Align C, XP 10 each, equipment: leather armour, shortbow, quiver +10 arrows, hand axe, 10sp

22) There are 10 goblins here, and about 20 straw mattresses. This is the goblin sleeping area. 
Goblin: AC 6, HD 1-1, hp 4 each, Move 60ft, THAC0 19, Att 1 weapon for 1d6, Save NM, Ml 7, Align C, XP 10 each, equipment: leather armour, shield , hand axe, 10sp

23) This cave has a pool of water and a patch of fungi. There are 4 cave locusts here that are quite skittish and will spit and jump if any intruders enter. The goblins use them as an improvised alarm. To the east there is a passageway that gradually descends deeper into the shadowdark.  
Cave Locust: AC 4, HD 2*, hp 9 each, Move 60ft/fly 180ft, THAC0 19, Att 1 bite for 1d2 or 1 bump for 1d4, Save F2, Ml 5, Align N, XP 25. Gooey Spit: If a locust spits at an opponent it rolls to hit AC 9. If successful the opponent must save vs poison or be incapacitated for 1 turn due to awful smell.

24) 4 goblins + 3 goblin archers + 1 goblin minor shaman. The shaman, Tangrath, has found herself as the leader of the goblins here. There are also 2 human captives tied up in a corner - slaves who fell down into the cave system from the silver mine. Although the goblins were considering eating them, the goblin shaman is smart enough to use the captives as a bargaining chip. At the DM’s discretion the PCs can be awarded 100xp if the two captives are returned safely to Luln. 
On the north wall of the cave is a chest. It is locked and the shaman has the key. Inside are 6300sp, 1200gp and 2 potions (Potion of Levitation and Potion of Gaseous Form)
Goblin Minor Shaman: AC 7,  HD 4(d6)*, hp 15, Move 60ft, Att 1 staff for 1d6 or 1 spell, Save C4, Ml 8, Align C, XP 125, Equipment: leather armour, quarterstaff, unholy symbol, scroll of clerical spells (Speak with Animals, Silence 15ft r, Locate Object); prepared spells: Cure Light Wounds, Rage, Hold Person 
Goblin: AC 6, HD 1-1, hp 4 each, Move 60ft, THAC0 19, Att 1 weapon for 1d6, Save NM, Ml 7, Align C, XP 10 each, equipment: leather armour, shield , hand axe, 10sp
Goblin archer: AC 7, HD 1-1, hp 4 each, move 60ft, THAC0 19, Att 1 shortbow (range 50ft/100ft/150ft) for 1d6 or 1 hand axe for 1d6, Save NM, Ml 7, Align C, XP 10 each, equipment: leather armour, shortbow, quiver +10 arrows, hand axe, 10sp
Captives: 
  • Belsara - human female, age 40, align N, stats as NM, weaver and wool spinner from a hamlet outside of Luln
  • Velnik - human male, age 25, align L, stats as MU1, from Luln, mage’s apprentice and scribe, speaks Goblin and has spoken to the shaman though not to much effect. 

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