Vanquished creatures:

Asmodeus
Baalzebub
Orcus
Yeenoghu
Juiblex
The Wizard of Yendor (9 times)
Death (thrice)
Pestilence (4 times)
Famine (thrice)
2 high priests
65 mastodons
Medusa
Croesus
8 krakens
62 iron golems
a master lich
102 storm giants
75 glass golems
47 balrogs
Nalzok
108 purple worms
a gray dragon
12 silver dragons
123 red dragons
116 white dragons
3 orange dragons
84 black dragons
75 blue dragons
10 green dragons
7 yellow dragons
12 minotaurs
44 jabberwocks
105 baluchitheria
25 Angels
a demilich
Vlad the Impaler
53 stone golems
2 master mind flayers
129 Olog-hai
9 Nazguls
104 pit fiends
35 sandestins
38 hell hounds
101 titanotheres
100 trappers
a baby red dragon
3 baby white dragons
a baby orange dragon
a baby black dragon
2 baby blue dragons
2 baby green dragons
3 baby yellow dragons
4 guardian nagas
6 disenchanters
94 vampire lords
5 skeletons
40 aligned priests
57 captains
6 shades
3 liches
a water troll
65 clay golems
114 nurses
102 ice devils
52 nalfeshnees
86 lurkers above
an Aleax
19 frost giants
52 ettins
5 golden nagas
46 black puddings
80 vampires
60 lieutenants
a watch captain
112 ghosts
a cavewoman
a healer
a monk
a ranger
a queen bee
68 winged gargoyles
3 mind flayers
56 giant mimics
106 zruties
7 fire giants
108 ogre kings
22 ice trolls
145 rock trolls
113 umber hulks
50 flesh golems
68 Elvenkings
60 doppelgangers
116 hezrous
108 bone devils
58 large mimics
68 wumpuses
44 fire vortices
2 baby long worms
a baby purple worm
115 long worms
7 couatls
119 stalkers
67 air elementals
68 fire elementals
60 earth elementals
53 water elementals
63 hill giants
71 giant mummies
2 black nagas
66 xorns
66 giant zombies
115 elf-lords
115 sergeants
2 water demons
9 barbed devils
121 vrocks
47 salamanders
115 wargs
14 winter wolves
87 hell hound pups
111 small mimics
46 glass piercers
118 warhorses
93 steam vortices
119 xans
62 ettin mummies
91 ogre lords
114 quantum mechanics
255 trolls
5 sasquatches
66 wood golems
3 erinyes
37 mariliths
4 djinn
6 sharks
91 gelatinous cubes
59 pyrolisks
9 large dogs
27 freezing spheres
113 flaming spheres
115 shocking spheres
9 large cats
100 tigers
101 gargoyles
3 dwarf kings
14 tengu
101 ochre jellies
109 leocrottas
60 energy vortices
55 mountain centaurs
6 stone giants
9 elf mummies
11 human mummies
55 red nagas
2 green slimes
57 pit vipers
67 pythons
42 cobras
175 wraiths
56 carnivorous apes
60 ettin zombies
11 leather golems
112 Grey-elves
120 soldiers
4 watchmen
20 horned devils
40 succubi
63 incubi
25 chameleons
13 crocodiles
31 giant beetles
17 quivering blobs
121 cockatrices
61 wolves
56 winter wolf cubs
10 lynxes
12 panthers
255 gremlins
16 spotted jellies
44 leprechauns
13 orc-captains
25 iron piercers
16 mumakil
32 giant spiders
100 scorpions
25 horses
13 ice vortices
31 black lights
26 vampire bats
53 forest centaurs
14 gnome kings
10 orc mummies
14 dwarf mummies
24 ogres
16 brown puddings
106 rust monsters
39 owlbears
23 yetis
14 gold golems
7 werewolves
43 Green-elves
4 piranhas
27 giant eels
67 lizards
18 chickatrices
22 dogs
17 dingos
12 housecats
14 jaguars
11 dwarf lords
16 blue jellies
4 white unicorns
15 gray unicorns
11 black unicorns
28 dust vortices
20 ravens
12 plains centaurs
15 gnome mummies
22 snakes
6 water moccasins
40 apes
255 human zombies
9 rope golems
45 Woodland-elves
45 soldier ants
17 fire ants
17 bugbears
9 imps
3 lemures
25 quasits
15 wood nymphs
24 water nymphs
23 mountain nymphs
60 Mordor orcs
42 Uruk-hai
10 orc shamans
35 rock piercers
15 rock moles
16 ponies
23 fog clouds
26 yellow lights
14 shriekers
33 violet fungi
33 gnome lords
18 gnomish wizards
12 kobold mummies
7 black naga hatchlings
a golden naga hatchling
4 guardian naga hatchlings
22 gray oozes
20 barrow wights
80 elf zombies
40 ghouls
12 straw golems
20 paper golems
6 jellyfish
4 baby crocodiles
47 giant ants
10 little dogs
52 floating eyes
9 kittens
27 dwarves
18 homunculi
14 kobold lords
10 kobold shamans
120 hill orcs
81 rothes
10 rabid rats
7 centipedes
18 giant bats
11 monkeys
82 orc zombies
59 dwarf zombies
5 wererats
9 werejackals
41 iguanas
117 killer bees
21 acid blobs
20 coyotes
9 gas spores
10 hobbits
31 manes
17 large kobolds
31 hobgoblins
64 giant rats
42 cave spiders
7 brown molds
20 yellow molds
7 green molds
10 red molds
83 gnomes
54 garter snakes
66 gnome zombies
37 geckos
70 jackals
7 foxes
9 kobolds
23 goblins
25 sewer rats
68 grid bugs
35 bats
34 lichens
51 kobold zombies
52 newts

12683 creatures vanquished.