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First, I don't want to rehash the discussion here: http://www.dakkadakka.com/dakkaforum/posts/list/434903.page (although an interesting read)

But I do still have a question regarding rolling for Difficult Terrain, whom it affects, and how to resolve it in a multi-assault.

Simple scenario:
Friendly squad of 5 models
First enemy squad 5 1/2" away in Open Terrain.
Second enemy squad is 3" away in Difficult Terrain.

My actions:
I assault the first enemy squad with the first 3 models.
The 4th and 5th models cannot reach combat with the first enemy squad, but could reach the second enemy squad.

Questions:
Do I now roll have to roll a difficult terrain test or can I disregard it since I have already started movement?
If so,
-- If I get , can I now only move that 4th and 5th models 1 inch? Even if that results in being out of coherency?
-- If I roll and assault the second enemy squad, do the first 3 models in combat with the first enemy squad also strike at I1 (assuming no grenades, etc)?
If not,
-- Do any of the models count as having moved through Difficult Terrain for the purposes of striking at I1?

Again, I don't want to throw fuel on the fire, but I'm still confused as to when, if at all, the DT test takes place.

DoW

DogOfWar wrote:
Do I now roll have to roll a difficult terrain test or can I disregard it since I have already started movement?

Yes.

If so,
-- If I get , can I now only move that 4th and 5th models 1 inch? Even if that results in being out of coherency?

You can only move any model one inch - which could result in the initial assault failing.

-- If I roll and assault the second enemy squad, do the first 3 models in combat with the first enemy squad also strike at I1 (assuming no grenades, etc)?

Yes - the unit made a difficult terrain test, so the unit suffers the penaltyn for the purposes of striking at I1?

Again, I don't want to throw fuel on the fire, but I'm still confused as to when, if at all, the DT test takes place.

As soon as you realize you need to do it, and it's retroactive.

Bingo. As above.

As soon as you attempt to multi-assault, you roll your dice. If you roll snake-eyes, or something insufficient enough to reach the first assault, the entire assault fails.

Yep, the game rules require you to go back in time.
Welcome to 40k.

Joey wrote:Yep, the game rules require you to go back in time.
Welcome to 40k.

Ha, seriously? Does it actually say that? I'll have to read over the multi-assault rules again.

I didn't realize there was ever a situation that required you to move legally moved models back to original positions. How could those locations even be determined? Are we required to mark positions of models as we move them? Makes my blob Guard even more of a pain...

DoW

DogOfWar wrote:

Joey wrote:Yep, the game rules require you to go back in time.
Welcome to 40k.

Ha, seriously? Does it actually say that? I'll have to read over the multi-assault rules again.

I didn't realize there was ever a situation that required you to move legally moved models back to original positions. How could those locations even be determined? Are we required to mark positions of models as we move them? Makes my blob Guard even more of a pain...

DoW

It doesn't say you have to go back in time. It says you move the first model, then the others. And if you have to difficult terrain because of any of them, all of the models have to stick to that result. Except you've already moved them...
For the record, blob guard suck for this and a number of other reasons. Having to difficult terrain everywhere gives you an average threat range of about 6".

DogOfWar wrote:

Joey wrote:Yep, the game rules require you to go back in time.
Welcome to 40k.

Ha, seriously? Does it actually say that? I'll have to read over the multi-assault rules again.

I didn't realize there was ever a situation that required you to move legally moved models back to original positions. How could those locations even be determined? Are we required to mark positions of models as we move them? Makes my blob Guard even more of a pain...

DoW

Techincally, the rules say "if any part of your movement would cross into difficult terrain" or something to that effect. So, it is sort of asking you to roll before you even move if your path would cross DT. However, we all know that multi-assaults don't work that way, so I can see how the rules would seem a bit murky on the issue.

Ah gotcha. Well not everything can be as perfect as figuring out what counts as a psyker, amirite?

Oh...

DoW

Work it out before you move - with a bit of thought you can determine if you will need to make a DT test or not.

nosferatu1001 wrote:Work it out before you move - with a bit of thought you can determine if you will need to make a DT test or not.

Ah okay. So I should play as if I have already planned to declare a multi-assault before moving any models? Works for me.

DoW

nosferatu1001 wrote:Work it out before you move - with a bit of thought you can determine if you will need to make a DT test or not.

That's how most people would play it but the rules don't stipulate that.
Actually having looked again...the rules technically don't require you to test for difficult terrain beyond the first moving model.
Interesting...

Joey wrote:

nosferatu1001 wrote:Work it out before you move - with a bit of thought you can determine if you will need to make a DT test or not.

That's how most people would play it but the rules don't stipulate that.
Actually having looked again...the rules technically don't require you to test for difficult terrain beyond the first moving model.
Interesting...

False.

page 36 wrote:If, following the rules for moving assaulting models (see page 34), any model in an assaulting unit will have to go through difficult or dangerous terrain as part of its assault move, the unit must take the relevant terrain
test before moving. This has two disadvantages. The first and most obvious is that such tests might cause the assault to fail altogether if the closest model cannot make it into contact with the enemy. Note that if a model stopped 1" away from the enemy in the Movement or Shooting phase, it can Assault even if its unit rolls a double 1 on its difficult terrain test.

Ah yeah I only checked page 37.

Joey wrote:
Actually having looked again...the rules technically don't require you to test for difficult terrain beyond the first moving model.
Interesting...

BRB36, Assaulting Through Cover wrote:
If, following the rules for moving assaulting models (see
page 34), any model in an assaulting unit will have to
go through difficult or dangerous terrain as part of its
assault move, the unit must take the relevant terrain
test before moving.

Edit: Ninja'd....

Joey wrote:

nosferatu1001 wrote:Work it out before you move - with a bit of thought you can determine if you will need to make a DT test or not.

That's how most people would play it but the rules don't stipulate that.
Actually having looked again...the rules technically don't require you to test for difficult terrain beyond the first moving model.
Interesting...

They dont stipulate it, but its the easiest way to do it.