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Working on some friendly game battle conditions rules that use 2d6 rolls to choose which. I wanted some input on them. They are intended to make the universe of 40k as hostile as any aggressive player. Furthermore they are intended to be slightly cinematic. Many draw from existing rule sets from games-workshop and the codex. I want to run through these two at a time. I'll start off with winter conditions and post-nuclear conditions. Some also entail additional terrain ideas.

Cocytus
Roll of 6
Weapons that normally have the Gets Hot special rule lose that special rule.
Dangerous terrain tests fail on 1 and 2
Night Fighting
If night fighting is triggered so is pall of night
If night fighting is triggered coherency reduced by 1"


Lonesome Road
Roll of 9

Booby trapped objectives and booby traps from archeotech artifacts when triggered generate a S10 AP1 Lance, Melta Mega Blast. After detonating they are removed from play and a crater is placed centered over the trap. Said detonation renders the entire map dangerous terrain for the remainder of the game.
Craters placed during terrain placement are also dangerous and within 6" of said craters is dangerous.


In addition a thematic terrain piece for Cocytus and other winter maps of mine is frozen water terrain. Models that move more than their armor save in distance through it must fail a armor save or be removed as casualty. Ground based vehicles must match their highest armor value on a 4d6 roll or lose two hull points and be immobilized and shaken. Vehicles immobilized on frozen water must make dangerous terrain tests on following turns.

Another winter terrain piece is a snow drift which is treated as difficult terrain and -1" on all ground based movement. These can be compounded with buried tank traps which dis-improve the failure roll for dangerous terrain by one for vehicles. Buried landmines could also be an option.

For Radioactive environments I have waste barrels which are dangerous within 6" and radioactive runoff which is a dangerous water feature that illuminates models within during night fighting.

They are intended to make the universe of 40k as hostile as any aggressive player.

Neat idea. Really like the implementation of the frozen lake.

Hilarous.

'My lord, the entire First Company has been wiped out!'
'What? HOW?'
'They stepped into an icy lake.'

I like it. Its always cool to see stuff like this. I like using the planet type rules myself.

Gravity flux

At the beginning of each game turn, roll a D6
1-2 the low gravity rule from BRB is in effect
3-4 normal gravity
5-6 the high gravity rule from BRB is in effect

This could be a battle fought on some mad asteroids, (dark) adeptus mechanicus reseach planet, spacehulk, with a defective gravity generator etc

'Roll of 6', 'Roll of 9'... am I being dense? What are we rolling?

The icy lake is thematic and fluffy, but dangerous terrain only immobilises vehicles, so I'm not really sure what forcing DT tests when immobilised is meant to do.

 Furyou Miko wrote:
'Roll of 6', 'Roll of 9'... am I being dense? What are we rolling?

The icy lake is thematic and fluffy, but dangerous terrain only immobilises vehicles, so I'm not really sure what forcing DT tests when immobilised is meant to do.

....uhh out of rolling 2d6 and the total is 6 that's the type of environment you're in. On a 9 its another type. And the further DT checks are because he is on a frozen lake that is either freezing over or the ice is about to break.

It makes sense to me.

Dat Guy wrote:

 Furyou Miko wrote:
'Roll of 6', 'Roll of 9'... am I being dense? What are we rolling?

The icy lake is thematic and fluffy, but dangerous terrain only immobilises vehicles, so I'm not really sure what forcing DT tests when immobilised is meant to do.

....uhh out of rolling 2d6 and the total is 6 that's the type of environment you're in. On a 9 its another type. And the further DT checks are because he is on a frozen lake that is either freezing over or the ice is about to break.

It makes sense to me.

The further DT test as of the rules being FAQed remove a hull point. Getting immobilized when already immobilized removes another hull point. A failed dangerous terrain test would inflict 2 hull points of damage thus wrecking most vehicles.

Aah, right. That makes sense then.

Love it.
Do you think you could make one to deal with Fenrisian wildlife?

Problem with that is, it's Fenris. Unless you're a native, the rule would need to be something like:

If you move, take an Initiative test. If you fail it, you are removed.

 Furyou Miko wrote:
Problem with that is, it's Fenris. Unless you're a native, the rule would need to be something like:

If you move, take an Initiative test. If you fail it, you are removed.

I was thinking something more or less like miniature monstrous creatures (S:5/ T:5/ W:3) show up at the smell of blood (a unit losing a model) on a 12 (2d6) and deep strike into that unit's center. This is only done at the end of combat or shooting. Not whenever a unit loses a model. But it is done for every unit that loses a model.
Then we can make it more robust. After determining that wildlife has been attracted roll 2d6 to see what was attracted.
1-3 A lone Fenrisian Drake is here to serve the pain. WS:4/ BS:0/ S:5/ T:5/ W:3/ I:5/ A:3/ LD:8/ SV:5+
4-6 A Fenrisian Mammoth feels like experimenting with it's diet. WS:3/ BS:0/ S:6/ T:6/ W:4/ A:3/ LD:8/ SV:4+
7-9 Lucky you. A pack of 3 thunderwolves WS:4/ BS:0/ S:5/ T:5/ W:2/ I:5/ A:3/ LD:8/ SV: 5+
10-12 Uh oh!! A Great White Bear the size of a large house comes looking for a tussle. WS:6/ BS:0/ S:7/ T:7/ W:6/ I:5/ A:5/ LD:10/ SV: 4+
The player who isn't getting his army torn asunder controls the invading wildlife.

lol, Fenrisian Mammoth deep striking?

Has someone been aggroing the frost giants again? (Skyrim bug reference)

The wildlife should just follow the old Rage rules. "Must move towards or attempt to assault the nearest unit".

The other problem with your table is location. Drakes are aquatic, the others are all land-based.

Something like this would be more appropriate.

Fenrisian Terrain
Any time a 6 is rolled when determining Mysterious Terrain, roll a second die. On a 4+, consult the following chart instead;
1: Thin Ice. The terrain is treated as a Frozen Lake, as per the Cocytus rules.
2: Fenrisian Wolf Lair. Any unit entering the terrain is immediately assaulted by 2d6 Fenrisian Wolves (see Codex: Space Wolves). Should they win the assault, the wolves then remain in place, assaulting any unit that comes within 2d6 inches of their lair.
3: Vent of Island Fire. The unit is hit once per model by a single Str 8 AP1 Armourbane hit.
4: Hot Spring. The billowing steam grants the unit a 5+ cover save, but the heat reduces their Initiative by 1 while they stand within it.
5: Drake Nest. The unit is immediately assaulted by a Fenrisian Drake bursting up through the ice, using the statistics for the Red Terror (see http://www.borsoft.net/ilbastione/download/documenti/TheRedTerror.pdf). If the drake wins combat and is not locked in combat, it immediately retreats back under the ice and is removed from play to lay in wait for the next model to move into its terrain.
6: Trapdoor Kraken. A unit entering the terrain immediately suffers 3d6 Str10 AP1 hits unless it passes an Initiative test. based on the lowest Initiative in the squad. Vehicles are treated as being Initiative 2, unless they are Fast, Skimmers, or Tanks, in which case they gain a +1 bonus for each such attribute (so a Fast Tank would be Initiative 4). Even fliers are not immune to this attack, as the Kraken's tentacles are far-reaching indeed, although they automatically test at Initiative 5. Any vehicle destroyed by these hits immediately scatters 4d6 inches and is used as a blast marker, inflicting hits at S5 AP5.

On average I won't use those rules you have suggested, but any campaign set on Fenris sure as hell will.

Ventiscogreen wrote:
On average I won't use those rules you have suggested, but any campaign set on Fenris sure as hell will.

Whose?

Miko's

 Furyou Miko wrote:
lol, Fenrisian Mammoth deep striking?

Has someone been aggroing the frost giants again? (Skyrim bug reference)

The wildlife should just follow the old Rage rules. "Must move towards or attempt to assault the nearest unit".

The other problem with your table is location. Drakes are aquatic, the others are all land-based.

Something like this would be more appropriate.

Fenrisian Terrain
Any time a 6 is rolled when determining Mysterious Terrain, roll a second die. On a 4+, consult the following chart instead;
1: Thin Ice. The terrain is treated as a Frozen Lake, as per the Cocytus rules.
2: Fenrisian Wolf Lair. Any unit entering the terrain is immediately assaulted by 2d6 Fenrisian Wolves (see Codex: Space Wolves). Should they win the assault, the wolves then remain in place, assaulting any unit that comes within 2d6 inches of their lair.
3: Vent of Island Fire. The unit is hit once per model by a single Str 8 AP1 Armourbane hit.
4: Hot Spring. The billowing steam grants the unit a 5+ cover save, but the heat reduces their Initiative by 1 while they stand within it.
5: Drake Nest. The unit is immediately assaulted by a Fenrisian Drake bursting up through the ice, using the statistics for the Red Terror (see http://www.borsoft.net/ilbastione/download/documenti/TheRedTerror.pdf). If the drake wins combat and is not locked in combat, it immediately retreats back under the ice and is removed from play to lay in wait for the next model to move into its terrain.
6: Trapdoor Kraken. A unit entering the terrain immediately suffers 3d6 Str10 AP1 hits unless it passes an Initiative test. based on the lowest Initiative in the squad. Vehicles are treated as being Initiative 2, unless they are Fast, Skimmers, or Tanks, in which case they gain a +1 bonus for each such attribute (so a Fast Tank would be Initiative 4). Even fliers are not immune to this attack, as the Kraken's tentacles are far-reaching indeed, although they automatically test at Initiative 5. Any vehicle destroyed by these hits immediately scatters 4d6 inches and is used as a blast marker, inflicting hits at S5 AP5.

Actually sea dragons are aquatic. Drakes are flying reptiles. It should be obvious by the name "drake" which has come to mean flying half-dragon.