MAP21: Heretic Factor (The Abyss)


The Abyss maps 12-22

01 02 03 04 05 06 07 08 09 10 11
(12 - 22)
Secret maps: 31 32

This level occupies the map slot MAP21. For other maps which occupy this slot, see Category:MAP21.

MAP21: Heretic Factor is the twenty-first map of The Abyss. It was designed by J.M.P van Waveren (MrElusive) and Miklos de Rijk (H2SO4), and uses the music track " ".

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Map of Heretic Factor
Letters in italics refer to marked spots on the map. Sector numbers in boldface are secrets which count toward the end-of-level tally.


Other points of interest[edit]


  1. When you first enter the chapel, turn right towards the next hall. Where the stimpack is, open the wall to get a green armor. (sector 149)
  2. When you first enter the chapel, turn left and go behind the altar. Press on the wall here to find a secret area with a health bonus, stimpacks, rockets, a backpack, a box of ammo, and a box of shotgun shells. (sector 159)
  3. Press the switch in the stained glass room to open the way to the north, then turn left when you can. Follow this path until you find another wall that can be opened. Inside are rockets, ammo clips, a box of ammo, a stimpack, and health bonuses. (sector 210)
  4. At the exit room, press on the orange wall for a teleporter to a room with lost souls, a medikit, an energy cell pack, a box of ammo, and a box of shotgun shells. (sector 294)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

The records for the map at the Doomed Speed Demos Archive are:

Run Time Player Date File Notes
UV speed
NM speed
UV max
UV -fast
UV -respawn
UV Tyson
UV pacifist

Miscellaneous demos[edit]

Style Time Player Date File Notes

This information was last verified in its entirety on January 15, 2018.


Player spawns[edit]

This level contains five spawn points:

  1. facing north. (thing 4)
  2. facing south. (thing 5)
  3. facing north. (thing 6)
  4. facing south. (thing 93)
  5. facing east. (thing 182)


Map data[edit]

Things 220
Vertices 1224*
Linedefs 1431
Sidedefs 2182
Sectors 303
* The vertex count without the effect of node building is 1047.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]