This is Out Of The Pit, the Fighting Fantasy monster manual:

It was first published in 1985, and contained the statistics and information on every monster that had appeared in any (non science fiction) Fighting Fantasy book at that time. I loved this book when it came out, and read it avidly cover to cover many times. I would stage mock battles between monsters, in an effort to see who was most powerful.
Back then I had the deluxe large format edition with colour pictures. Alas I no longer have this treasure, but I have two later printings, and still find the book a wonderful and nostalgic read.

Over the weekend I wrote this piece of code:

What does it do? Well, it fights 271 of the monsters in Out Of The Pit against each other and saves results. Monster data is input via a data file, which I typed up myself (it took about 2 hours). The code uses the full rules systems including special attacks (examine the code; you can see a large amount of special attacks, defenses and other conditions are included) and saves win-loss results per creature. Every monster fights every other monster once. I ran the code three times and collected the results to find who was strongest in a 3 match free-for-all.

But before I get to results, some caveats:
– Monsters don’t have luck scores. This means I never tested luck, or applied any conditions that required luck tests. Had I done so (and say, used Skill as starting luck), this would have made a small selection of monsters with luck-based attacks more powerful. However were I to implement luck tests, every monster would have likely been more powerful since they could have used luck in combat. I feel the results would have averaged out.
– The following nine monsters were omitted on the basis of their attacks being too unusual or difficult to model: Devlin, Ganjee, Hydra, Living Corpse, Giant Pitcher Plant, Mist Vampire, Poltergeist, Suma and Giant Venus Flytrap
In order, here are the five most powerful creatures in Out Of The Pit:
1) Earth Elemental
It’s not the 18 skill and 22 stamina that gave the Earth Elemental first place; it’s the fact it takes half damage and inflicts double damage. This guy would be virtually impossible for an average player character to defeat!
2) Adult Silver Dragon
Every 3 combat rounds, an Adult Silver Dragon inflicts an additional 4 damage from a breath weapon unless the opponent makes a skill check. Realistically, this results in average per-hit damage of 3.33 from a Silver Dragon, which is murder for most opponents.
3) Adult Gold Dragon
Skill 18, Stamina 40 and half damage from attacks? I expected this guy to take the top spot, and if I had implemented it’s luck-based breath attack it likely would have!
4) Night Demon
The relatively low Skill and Stamina (14,18) of this guy compared to the other top five was not a penalty since he has a once-per-combat special attack that does 2d6 damage and he does 3 points of stamina on a hit!
5) Young Silver Dragon
Like his dad at number 2, his breath weapon was the decider. Even though it isn’t as powerful (2 damage), it’s like a free hit every third round.

Interested in the full rankings? Well here they are:
Name |
Skill |
Stamina |
Win % |
Earth Elemental |
18 |
22 |
99.7% |
Silver Dragon (Adult) |
17 |
30 |
99.5% |
Gold Dragon (Adult) |
18 |
40 |
99.2% |
Night Demon |
14 |
18 |
98.8% |
Silver Dragon (Young) |
15 |
22 |
98.1% |
Gold Dragon (Young) |
16 |
25 |
98.0% |
White Dragon (Adult) |
15 |
22 |
97.7% |
Black Dragon (Adult) |
16 |
30 |
97.2% |
Water Elemental |
16 |
21 |
97.1% |
Green Dragon (Adult) |
15 |
26 |
97.0% |
Snake Demon |
14 |
25 |
96.2% |
Tyrannosaurus Rex (Adult) |
15 |
20 |
95.5% |
Red Dragon (Adult) |
14 |
23 |
95.0% |
Air Elemental |
15 |
20 |
94.8% |
Black Dragon (Young) |
14 |
20 |
94.3% |
Fire Elemental |
14 |
18 |
93.7% |
Earth Demon |
12 |
15 |
93.2% |
Green Dragon (Young) |
13 |
18 |
93.2% |
Manticore |
12 |
18 |
92.2% |
Hell Demon |
14 |
12 |
91.4% |
Brontosaurus (Adult) |
12 |
25 |
91.2% |
Death Spider |
14 |
9 |
91.1% |
Nanka |
12 |
20 |
90.9% |
White Dragon (Young) |
12 |
14 |
90.7% |
Bloodbeast |
12 |
10 |
90.3% |
Styracosaurus (Adult) |
12 |
18 |
89.8% |
Life-Stealer |
12 |
18 |
89.7% |
Genie |
12 |
20 |
89.5% |
Pit Fiend |
12 |
15 |
89.2% |
Giant Sandworm (Adult) |
10 |
20 |
88.5% |
Banshee |
12 |
12 |
88.0% |
Will-O’-The-Wisp |
10 |
6 |
87.7% |
Pegasus |
12 |
12 |
86.9% |
Metal Sentinel |
12 |
12 |
86.0% |
Tyrannosaurus Rex (Young) |
12 |
12 |
85.8% |
Giant Crab (Large) |
10 |
11 |
85.5% |
Horned Demon |
12 |
9 |
84.8% |
Crystal Warrior |
11 |
13 |
84.0% |
Wrapper |
12 |
9 |
83.5% |
Red Dragon (Young) |
11 |
14 |
83.2% |
Slime Sucker |
10 |
9 |
83.2% |
Marsh Giant |
10 |
17 |
82.0% |
Black Lion |
11 |
11 |
81.9% |
Sea Giant |
10 |
17 |
81.9% |
Mammoth (Adult) |
10 |
16 |
81.1% |
Mik |
12 |
7 |
80.3% |
Fire Demon |
10 |
10 |
80% |
Vampire |
10 |
15 |
79.2% |
Gem Sentinel |
11 |
9 |
78.7% |
Storm Giant |
10 |
15 |
78.7% |
Styracosaurus (Young) |
11 |
10 |
78.7% |
Tarator |
8 |
13 |
78.7% |
Plesiosaurus |
9 |
22 |
78.2% |
Strangleweed |
8 |
13 |
77.7% |
Rock Demon |
10 |
13 |
77.4% |
Gretch |
10 |
13 |
76.5% |
Night Stalker |
11 |
8 |
76.0% |
Serpent Queen |
9 |
7 |
76.0% |
Yeti |
10 |
12 |
75.0% |
Mountain Giant |
10 |
12 |
74.8% |
Razorjaw (Adult) |
10 |
12 |
74.6% |
Xoroa Warrior |
10 |
11 |
74.5% |
Caarth (Adult Male) |
10 |
11 |
74.3% |
Saber-Toothed Tiger |
11 |
8 |
73.8% |
Giant Scorpion |
10 |
10 |
73.7% |
Serpent Guard |
10 |
10 |
72.0% |
Wyvern |
10 |
11 |
72.0% |
Cyclops |
10 |
10 |
71.4% |
Frost Giant |
10 |
10 |
71.3% |
Mirror Demon |
10 |
10 |
71.1% |
Centaur (Adult) |
10 |
10 |
70.8% |
Ice Demon |
9 |
11 |
70.4% |
Shapechanger |
10 |
10 |
70.4% |
Clawbeast |
9 |
14 |
70.1% |
Werebear |
9 |
13 |
70% |
Brain Slayer |
10 |
10 |
69.8% |
Dracon |
9 |
14 |
69.1% |
Giant Centipede (Poisonous) |
9 |
7 |
68.5% |
Fetch |
11 |
6 |
68.2% |
Tree Man |
8 |
16 |
68.2% |
Spider Man |
7 |
5 |
67.4% |
Weretiger |
9 |
11 |
66.7% |
Mummy |
9 |
12 |
66.2% |
Nandibear |
9 |
11 |
66.2% |
Sand Devil |
10 |
7 |
66.2% |
Bird Man |
10 |
8 |
65.8% |
Spirit Stalker |
10 |
8 |
65.6% |
Hill Giant |
9 |
11 |
65.5% |
Wight |
9 |
6 |
64.9% |
Wyrm |
9 |
12 |
64.9% |
Brontosaurus (Young) |
8 |
18 |
64.4% |
Mutant Lizard Man |
9 |
9 |
63.5% |
Giant Octopus |
9 |
10 |
63.3% |
Death Dog |
9 |
10 |
63.2% |
Forest Giant |
9 |
9 |
63.2% |
Lizard King |
9 |
10 |
63.2% |
Cave Giant |
9 |
10 |
62.7% |
Cockatrice |
7 |
7 |
62.7% |
Common Troll |
9 |
9 |
62.5% |
Giant Crab (Small) |
7 |
9 |
62.5% |
Hill Troll |
9 |
10 |
62.4% |
Two-Headed Lizard Man |
9 |
10 |
62.4% |
Minotaur |
9 |
9 |
62.3% |
Gargoyle |
9 |
10 |
61.7% |
Mucalytic |
8 |
9 |
61.6% |
Doragar |
9 |
10 |
60.8% |
Baddu-Beetle |
7 |
9 |
59.3% |
Giant Slug |
7 |
15 |
59.3% |
Giant Centipede |
9 |
7 |
58.2% |
Death Wraith |
9 |
8 |
58.1% |
Imitator |
9 |
8 |
58.0% |
Stone Golem |
8 |
11 |
58.0% |
Felinaur (Adult) |
9 |
8 |
57.7% |
Fog Devil |
8 |
6 |
57.2% |
Bhorket |
8 |
11 |
57.1% |
Boulder Beast |
8 |
11 |
57.0% |
Giant Snake |
7 |
11 |
57.0% |
Great Ape |
8 |
11 |
56.9% |
Bear Cub |
9 |
8 |
56.2% |
Calacorm |
9 |
8 |
56.0% |
Tentacled Thing |
8 |
10 |
55.4% |
Sting Worm |
8 |
7 |
54.6% |
Cave Troll |
8 |
9 |
53.5% |
Howl Cat |
8 |
9 |
53.0% |
Sea Troll |
8 |
9 |
53.0% |
Caarth (Adult Female) |
8 |
9 |
52.8% |
Ogre |
8 |
10 |
52.5% |
Werewolf |
8 |
9 |
52.4% |
Leprechaun |
10 |
4 |
52.3% |
Lizardine |
8 |
8 |
51.2% |
Rhino-Man |
8 |
9 |
50.6% |
Skunkbear |
7 |
6 |
49.8% |
Ghoul |
8 |
7 |
49.3% |
Firefox |
7 |
6 |
49.1% |
Crypt Stalker |
8 |
6 |
48.6% |
Flesh Golem |
8 |
7 |
48.3% |
Rock Grub |
7 |
11 |
48.2% |
Giant Lizard (Adult) |
8 |
8 |
47.9% |
Phantom |
12 |
2 |
47.7% |
Ape Man |
8 |
7 |
47.6% |
Flying Guardian |
8 |
8 |
47.6% |
Gark |
7 |
11 |
47.6% |
Snow Wolf |
8 |
8 |
47.5% |
Flying Fish |
8 |
8 |
47.4% |
Giant Eel |
8 |
8 |
47.2% |
Slime Eater |
7 |
11 |
47.2% |
Lizard Man |
8 |
8 |
47.1% |
Giant Toad |
5 |
7 |
46.5% |
Jaguar |
8 |
7 |
45.8% |
Marsh Wraith |
7 |
5 |
44.0% |
Pterodactyl |
7 |
9 |
44.0% |
Champaque |
7 |
10 |
43.9% |
Snattercat |
7 |
9 |
43.3% |
Merman |
7 |
10 |
42.8% |
Giant Sandworm (Young) |
7 |
9 |
42.2% |
Giant Wasp |
6 |
6 |
41.2% |
Mammoth (Young) |
7 |
10 |
41.2% |
Dark Elf |
8 |
6 |
41.1% |
Wererat |
8 |
6 |
40.8% |
Krell |
8 |
5 |
40.3% |
Skeleton Warrior |
8 |
6 |
40.1% |
Giant Eagle |
6 |
11 |
39.3% |
Wood Elf |
8 |
6 |
39.2% |
Wood Golem |
8 |
6 |
38.6% |
Aakor |
7 |
8 |
38.3% |
Man-Orc (Adult) |
8 |
6 |
38.2% |
Giant Aardwolf |
7 |
7 |
38.0% |
Flayer |
6 |
7 |
37.9% |
Cat People |
8 |
6 |
37.7% |
Demon Bat |
7 |
8 |
37.7% |
Neanderthal |
7 |
8 |
37.7% |
Giant Spider |
7 |
8 |
37.2% |
Caveman |
7 |
7 |
37.0% |
Dwarf |
7 |
7 |
36.4% |
Crocodile |
7 |
7 |
36.0% |
Giant Common Fly |
7 |
8 |
35.9% |
Wraith Ape |
7 |
7 |
35.5% |
Hellhound |
7 |
6 |
34.3% |
Shark |
7 |
6 |
33.4% |
Toa-Suo |
6 |
10 |
33.3% |
Harpy |
7 |
6 |
32.3% |
Fiend |
6 |
8 |
32.2% |
Decayer |
7 |
5 |
31.8% |
Hamakei |
7 |
5 |
31.6% |
Fire Sprite |
7 |
4 |
31.2% |
Fish Man |
7 |
6 |
31.2% |
Wolfhound |
7 |
6 |
31.2% |
Messenger Of Death |
7 |
6 |
31.1% |
Goldcrest Eagle |
7 |
6 |
30.9% |
Tangleweed |
7 |
6 |
30.7% |
Wolf Dog |
7 |
6 |
30.7% |
Black Elf |
7 |
6 |
30.6% |
Gnome |
7 |
5 |
30.6% |
Head-Hunter |
7 |
6 |
30.6% |
Great Orc |
7 |
6 |
30.3% |
Mountain Elf |
7 |
6 |
30.3% |
N’yadach |
6 |
8 |
30.1% |
Wolf Dog |
7 |
6 |
30% |
Harrun |
6 |
7 |
29.5% |
Night Hawk |
7 |
5 |
29.3% |
Xoroa Worker |
6 |
7 |
29.3% |
Giant Dragonfly |
8 |
4 |
29.2% |
Sewer Snake |
6 |
7 |
29.2% |
Giant Owl |
6 |
7 |
25.8% |
Wheelie |
6 |
6 |
24.9% |
Stranglebush |
5 |
7 |
24.5% |
Mantis Man |
6 |
5 |
24.0% |
Slykk |
6 |
5 |
23.8% |
Pygmy |
6 |
5 |
23.7% |
Clone Warrior |
6 |
5 |
23.4% |
Giant Needlefly |
6 |
6 |
23.4% |
Common Orc |
6 |
5 |
23.0% |
Zombie |
6 |
6 |
23.0% |
Woodling |
6 |
5 |
22.9% |
Demonspawn |
6 |
6 |
22.8% |
Razorjaw (Young) |
6 |
5 |
22.8% |
Centaur (Young) |
6 |
5 |
22.7% |
Medusa |
6 |
5 |
22.7% |
Hobgoblin |
6 |
6 |
22.5% |
Giant Firefly |
5 |
5 |
22.4% |
Skeleton |
6 |
5 |
22.2% |
Marsh Goblin |
6 |
6 |
21.7% |
Wild Hill Man |
6 |
5 |
21.6% |
Giant Bat |
5 |
8 |
21.2% |
Basilisk |
5 |
8 |
20.4% |
Spit Toad |
5 |
6 |
20% |
Bristle Beast |
5 |
7 |
19.8% |
Skorn |
5 |
5 |
18.0% |
Goblin |
5 |
5 |
16.9% |
Red-Eye |
6 |
4 |
16.9% |
Elvin |
6 |
4 |
16.4% |
Pixie |
5 |
5 |
16.4% |
Snapperfish |
6 |
2 |
16.4% |
Bhorket (Young) |
5 |
5 |
16.1% |
Giant Lizard (Young) |
5 |
5 |
16.0% |
Electric Eel |
6 |
4 |
15.9% |
Gonchong |
5 |
5 |
15.9% |
Rat-Man |
5 |
6 |
15.9% |
Sprite |
5 |
6 |
15.9% |
Kokomokoa |
5 |
5 |
15.6% |
Eye Stinger |
7 |
2 |
15.3% |
Bear Cub |
5 |
6 |
15.0% |
Felinaur (Young) |
5 |
5 |
15.0% |
Leaf-Beast |
6 |
3 |
14.8% |
Mermaid |
4 |
7 |
14.8% |
Chestrap Beast |
5 |
6 |
13.5% |
Vampire Bat |
5 |
4 |
12.8% |
Caarth (Young) |
4 |
5 |
12.3% |
Winged Gremlin |
5 |
4 |
12.3% |
Giant Rat |
5 |
4 |
11.8% |
Iron-Eater |
4 |
5 |
11.8% |
Death Hawk |
4 |
5 |
11.4% |
Troglodyte |
5 |
4 |
10.9% |
Mungie |
5 |
4 |
10.8% |
Mudclaw |
5 |
4 |
10.6% |
Eagle |
4 |
5 |
10.2% |
Blood Eel |
5 |
4 |
10% |
Pirahna |
6 |
1 |
9.38% |
Wild Dog |
4 |
4 |
9.01% |
Grannit |
4 |
3 |
8.27% |
Wingless Gremlin |
4 |
3 |
7.77% |
Marsh Hopper |
4 |
4 |
7.28% |
Common Bat |
4 |
4 |
6.41% |
Man-Orc (Young) |
4 |
3 |
6.41% |
Poisonous Snake |
5 |
2 |
5.55% |
Dripper Plant |
0 |
10 |
3.20% |
Flesh Grub |
1 |
1 |
1.23% |
Giant Leech |
1 |
1 |
1.23% |
Jib-Jib |
1 |
2 |
1.23% |
Sleeping Grass |
0 |
2 |
0.86% |
Clone Worker |
0 |
2 |
0.74% |
Two positions beg elucidation: the Tarator at #52 and Spider Man at 81. Both are unusually highly placed for their skill and stamina scores.
The Tarator, much like the Earth Elemental, does additional damage on a hit (3 total) and takes only 1 per hit received. So it fights like a much more robust creature.
The Spider Man is a terrible foe, for despite having dismal statistics, kills with no saving throw on any successful hit! It’s win ratio therefore is a measure of how often it won an attack roll π
So now, 27 years later, I have finally answered to my satisfaction the ultimate question of what the strongest monster in Out Of The Pit is. Except for that pesky issue of luck…