E4M2: Blockhouse (Heretic + Hexen)

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Revision as of 11:07, 8 September 2025 by Xymph (talk | contribs) (Walkthrough: typo)


Heretic re-release maps
The City of the Damned

M1 M2 M3 M4 M5 M6 M7 M8 M9

Hell's Maw

M1 M2 M3 M4 M5 M6 M7 M8 M9

The Dome of D'Sparil

M1 M2 M3 M4 M5 M6 M7 M8 M9

The Stagnant Demesne

M1 M2 M3 M4 M5 M6 M7 M8 M9

Fate's Path (deathmatch only levels)

M1 M2 M3

This level has an
original version
This level occupies the map slot E4M2. For other maps which occupy this slot, see Category:E4M2.

E4M2: Blockhouse is the second map of episode The Ossuary in the enhanced Heretic: Shadow of the Serpent Riders re-release, included with Heretic + Hexen. It uses the music track "Fred" by Kevin Schilder.

Walkthrough

Map of Blockhouse
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.

Essentials

You begin in the south-east corner of the outer area of the fortress. Drop into the moat surrounding the inner fort to open the teleporter next to the green door in the north-east corner, then enter that teleporter to go to the north-east ledge of the inner fort; in the middle of the inner fort you will see a pyramid with the yellow key at the top, which is defended by ophidians. Take the silver shield and ethereal crossbow in front of you to lower the first level of the pyramid, then drop into the water below and step on to the pyramid to lower a lift that goes back up to the entrance teleporter. Return to the outer fortress and enter the teleporter that has lowered in the north-west corner to go to the second ledge, which holds a Tome of Power and a dragon claw, then drop into the water and step on the pyramid again to lower the lifts which go back up to the teleporters.

Return to the outer fortress and go to the teleporter in the south-west corner to reach the third ledge, which holds a Morph Ovum and a hellstaff, then drop into the water again and step over the third level of the pyramid to activate the lifts again. Go back to the outer fortress and enter the final teleporter in the south-east corner to reach the fourth ledge, which holds a mystic urn and a phoenix rod, then collect the yellow key from the center of the pyramid to lower a lift on the west side which goes up to a yellow door. Go through the door to get an enchanted shield then go round to the east side of the ledge to get the green key—watch out for the three groups of disciples that have been released into the fort as you advance.

With the green key, open the door in the north-east corner of the fortress and follow the corridor to the blue key; taking it will lower the surrounding walls to reveal two or three iron liches, along with a maulotaur on smite-meister skill level or higher. Go back to the outer fortress and open the blue door at the south end to reveal a maulotaur guarding the exit door, then pass through the exit door and press the switch behind it (guarded by an ophidian on bringest them oneth (BTO) or higher) to lower the exit teleporter.

Other points of interest

The closets around the blue key contain a Chaos Device, a Ring of Invincibility, and a Bag of Holding.

Secrets

Official

There are no official secrets on this map.

Non-official

Passing through the yellow door will lower three banner walls in the outer fortress, releasing disciples. You can use the lowered walls as steps to walk over the low walls surrounding the disciples' platforms and drop into the blood lake below, but do not spend too much time inside it as the blood is damaging. There are two Wings of Wrath under the east and west platforms, and on BTO or lower you will find a third set under the north platform. A shadowsphere can be found at the south end of the fortress, and a Ring of Invincibility can be found at the north end. Crystal vials and ammo are also scattered around the lake. You can use a Ring of Invincibility to protect yourself from the blood, and a Chaos Device for a fast escape.

Bugs

The entire fortress is bordered by linedefs that should lower a floor with tag 18, but there is no sector with that tag in the level. This issue is inherited from the original level.

Demo files

Comparison of versions

  • The sludge surrounding the fort was changed to blood.
  • The floor of the outer fortress were changed from tan bricks to green stones.
  • The walls of the inner and outer fort were changed to gray bricks and skulls.
  • The pyramid holding the yellow key was changed to silver squares and gray walls.
  • The walls of the northern corridor were changed to blood-stained bricks, while the floor was changed from tan to red.

Areas / screenshots

Speedrunning

As this level does not contain official secrets, the NM 100S category is redundant.

Routes and tricks

Current records

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

Run Time Player Date File Notes
SM speed
SM max
BP speed
BP max
NM speed
Tyson
Pacifist

The (absence of) data was last verified in its entirety on August 10, 2025.

Deathmatch

Player spawns

This level contains four spawn points:

  1. facing north. (thing 29)
  2. facing west. (thing 30)
  3. facing south. (thing 31)
  4. facing east. (thing 32)

Statistics

Map data

Things 407
Vertices 1027*
Linedefs 969
Sidedefs 1416
Sectors 124
* The vertex count without the effect of node building is 808.

Things

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

Technical information

Inspiration and development

Trivia

See also

Sources

External links