E3M3: Cloister (Heretic Treasure Chest)

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Heretic Treasure Chest maps
Episode 1

M1 M2 M3 M4 M5 M6 M7 M8 M9

Episode 2

M1 M2 M3 M4 M5 M6 M7 M8 M9

Episode 3
This level occupies the map slot E3M3. For other maps which occupy this slot, see Category:E3M3.

E3M3: Cloister is the third map of episode 3 of Heretic Treasure Chest. It was designed by Ben Taylor (Dreadopp) and uses the music track " ".

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Map of Cloister
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. In the room past the yellow door, go southeast to the pad with the red wall and press on it. The wall to the east will open up, revealing a Pile of Mace Spheres, a Shadowsphere, and a Morph Ovum. (sector 760)
  2. In the room past the yellow door, step on the pad in front of the green door to open the door to the right, then climb the steps up. Open the next door and step on the pad here (the one which the Iron Lich was on) and the wall to the east opens up, revealing Undead warriors and Undead warrior ghosts. In their closet, press on the southeast wall to find a Bag of Holding. (sector 766)
  3. At the northern hallway, go to the west side, where the walls around the nearest switch rise up, revealing disciples of D'Sparil. Note that when you do this, you also would open up two switches in the center of the hall above the yellow key. The switch on the right side is supposed to reveal a Mystic Urn nearby. However, these switches do not appear, even after crossing the trigger where they would be, which makes the secret unreachable. (sector 880)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

The Compet-n records for the map are:

Style Time Player Date File Notes
UV speed **
NM speed **
UV max **
NM100S **
UV -fast **
UV -respawn **
UV Tyson **
UV pacifist **

Miscellaneous demos[edit]

Style Time Player Date File Notes


Player spawns[edit]

This level contains ten spawn points:

  1. facing south. (thing 294)
  2. facing north-west. (thing 372)
  3. facing north-east. (thing 490)
  4. facing south-east. (thing 491)
  5. facing south-west. (thing 492)
  6. facing north-west. (thing 493)
  7. facing west. (thing 494)
  8. facing east. (thing 495)
  9. facing south. (thing 496)
  10. facing south-east. (thing 497)


Map data[edit]

Things 509
Vertices 4163*
Linedefs 4778
Sidedefs 8391
Sectors 1151
* The vertex count without the effect of node building is 3584.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]