MAP12: The Precipice of Pain (Dominus Diabolicus)

Dominus Diabolicus maps
Ep.1: Earth Under Siege 01 02 03 04 05 06 07 08 09 10 11
Ep.2: Return to Sender MAP12: The Precipice of Pain MAP13: Grotto of Gore MAP14: Sin MAP15: Cyberphobia MAP16: Well of Torment MAP17: Unholy Mass MAP18: Plague Factory MAP19: Fields of Anguish MAP20: Forward Station Hades
Ep.3: Infernal Reckoning 21 22 23 24 25 26 27 28 29 30
Secret levels 31 32 33

This level occupies the map slot MAP12. For other maps which occupy this slot, see Category:MAP12.

This article about a map is a stub. Please help the Doom Wiki by adding to it.

MAP12: The Precipice of Pain is the twelfth map of Dominus Diabolicus. It was designed by bofu, who also composed its music track "Carnival of Fire and Brimstone". The par time is 12:50.

Walkthrough

Map of The Precipice of Pain

Letters in italics refer to marked spots on the map. Sector, thing, and linedef numbers in boldface are secrets which count toward the end-of-level tally.

Secrets

1. Descend in the first cave and open the west wall to get boxes of ammo, a backpack, and a chaingun. (sector 1969)
2. In the first big cave, use the northwest switch and enter the west side to find ammo clips, shotgun shells, stimpacks, and a soul sphere. (sector 1744)
3. Take the paths east of the first big cave and into the small room. Use the spine to the north to lower a wall with an invulnerability. (sector 1804)
4. In the outer area at the east side, use the cracked wall to the west and take the teleporter to get to the outer edge with health bonuses. (sector 1842)
5. Take the southeast door in the yellow key hub, then go to the southeast wall and climb up to get a soul sphere. (sector 987)
6. In the southwest hall, after you unlock the east bars, go there and take the south door. Use the red banner and fall into the hole that appears to get energy cells. (sector 970)
7. On the south ledge of the yellow key hub, look at the southeast cage and shoot the eye switch. Open the south door, then go to the skull switch you see. Get the megaarmor to the east. (sector 835)
8. In the northwest rooms, go to the northeast room, then run all the way to the southwest room to get a soul sphere, energy cells, and a backpack. (sector 1212)
9. In the northwest rooms, go to the northeast room and use the block from the east side to get a computer area map and a switch, which crushes the teleporting arch-vile. (sector 1356)
10. On the north ledge of the yellow key hub, jump to the west wall and open the middle of it to get a box of shotgun shells, an energy cell pack, and a berserk pack. (sector 739)

Speedrunning

Current records

The records for the map at the Doom Speed Demo Archive are:

Run	Time	Player	Date	File	Notes
UV speed
NM speed
UV max	21:41.77	bnbhehe	2026-03-26	DominusD12m214177.zip
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist

The data was last verified in its entirety on April 28, 2026.

Deathmatch

Map of MAP12's deathmatch arena

This level includes its own, separate deathmatch arena.

Player spawns

This arena contains four spawn points:

1. facing west. (thing 1418)
2. facing south. (thing 1419)
3. facing north-east. (thing 1420)
4. facing north-west. (thing 1421)

Things

This level contains the following numbers of things per skill level:

Deathmatch
Weapons	1-2	3	4-5
Shotgun	8
Super shotgun	1
Rocket launcher	1
Ammunition	1-2	3	4-5
Box of shotgun shells	8
Box of rockets	2
Health & Armor	1-2	3	4-5
Medikit	3
Armor	2
Megaarmor	1
Items	1-2	3	4-5
Supercharge	1
Miscellaneous	1-2	3	4-5
Deathmatch start	4

Statistics

Map data

Things	1525
Vertices	13334*
Linedefs	12842
Sidedefs	21322
Sectors	2330

* The vertex count without the effect of node building is 10756.

Things

This level contains the following numbers of things per skill level:

Single-player
Monsters	1-2	3	4-5
Zombieman	40	50	70
Shotgun guy	18	28	42
Heavy weapon dude	8	11	13
Imp	144	199	301
Lost soul	3
Demon	51	85	121
Spectre	1	3	5
Revenant	24	39	54
Cacodemon	13	20	29
Pain elemental	2	2	3
Hell knight	19	26	27
Baron of Hell	5	5	8
Arachnotron	2	2	3
Mancubus	6	10	14
Arch-vile	16	16	19
Cyberdemon	1
Former human vanguard	2	7	7
Weapons	1-2	3	4-5
Shotgun	1
Super shotgun	2
Chaingun	2
Rocket launcher	2
Plasma gun	1
BFG9000	1
Ammunition	1-2	3	4-5
Clip	7
Box of bullets	21
4 shotgun shells	53
Box of shotgun shells	38
Rocket	9
Box of rockets	67	69	70
Energy cell	20
Energy cell pack	13	15	16
Health & Armor	1-2	3	4-5
Stimpack	36
Medikit	38
Armor	4	4	5
Megaarmor	3
Items	1-2	3	4-5
Armor bonus	34
Health bonus	27
Supercharge	5
Megasphere	1
Backpack	5
Berserk	1
Computer area map	1
Invulnerability	1
Keys	1-2	3	4-5
Yellow skull key	1
Miscellaneous	1-2	3	4-5
Teleport landing	115
Voodoo doll	3

Cooperative
Monsters	1-2	3	4-5
Zombieman	40	50	72
Shotgun guy	21	31	48
Heavy weapon dude	8	11	15
Imp	145	200	331
Lost soul	3
Demon	52	88	129
Spectre	1	3	5
Revenant	26	45	76
Cacodemon	13	20	35
Pain elemental	2	2	5
Hell knight	19	42	43
Baron of Hell	5	5	10
Arachnotron	2	2	3
Mancubus	7	13	20
Arch-vile	17	17	26
Cyberdemon	2	2	4
Former human vanguard	3	9	9
Weapons	1-2	3	4-5
Shotgun	9
Super shotgun	3
Chaingun	2
Rocket launcher	3
Plasma gun	1
BFG9000	1
Ammunition	1-2	3	4-5
Clip	7
Box of bullets	21
4 shotgun shells	53
Box of shotgun shells	46
Rocket	9
Box of rockets	69	71	72
Energy cell	20
Energy cell pack	13	15	16
Health & Armor	1-2	3	4-5
Stimpack	36
Medikit	42
Armor	6	6	7
Megaarmor	4
Items	1-2	3	4-5
Armor bonus	34
Health bonus	27
Supercharge	5
Megasphere	1
Backpack	5
Berserk	1
Computer area map	1
Invulnerability	1
Keys	1-2	3	4-5
Yellow skull key	1
Miscellaneous	1-2	3	4-5
Cooperative start	3
Teleport landing	115
Voodoo doll	3

Deathmatch
Monsters	1-2	3	4-5
Zombieman	40	50	72
Shotgun guy	21	31	48
Heavy weapon dude	8	11	15
Imp	145	200	331
Lost soul	3
Demon	52	88	129
Spectre	1	3	5
Revenant	26	45	76
Cacodemon	13	20	35
Pain elemental	2	2	5
Hell knight	19	42	43
Baron of Hell	5	5	10
Arachnotron	2	2	3
Mancubus	7	13	20
Arch-vile	17	17	26
Cyberdemon	2	2	4
Former human vanguard	3	9	9
Weapons	1-2	3	4-5
Shotgun	9
Super shotgun	3
Chaingun	2
Rocket launcher	3
Plasma gun	1
BFG9000	1
Ammunition	1-2	3	4-5
Clip	7
Box of bullets	21
4 shotgun shells	53
Box of shotgun shells	46
Rocket	9
Box of rockets	69	71	72
Energy cell	20
Energy cell pack	13	15	16
Health & Armor	1-2	3	4-5
Stimpack	36
Medikit	42
Armor	6	6	7
Megaarmor	4
Items	1-2	3	4-5
Armor bonus	34
Health bonus	27
Supercharge	6
Megasphere	1
Backpack	5
Berserk	1
Computer area map	1
Invulnerability	1
Miscellaneous	1-2	3	4-5
Deathmatch start	4
Teleport landing	115

External links

• Dominus Diabolicus demos at the Doom Speed Demo Archive