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Apologies if this has come up before, but:
Assume a ruin with multiple floors. A tac squad (or long fangs or whatever) is placed on the 3rd floor and/or higher.
An MC assaults the unit from 1" away from the base of the building. He rolls a 2,3,and 4 for his terrain checks.
Does the MC have to make it up to the upper floor to assault (in true B2B contact; ie: assault fails since he has to move 1" in then 6" up to get B2B with the squad) or merely in base contact with the structure next to the squad.
Would modeling make a difference; a Trygon with an 8" tall model vs a Carnifex with a 3: tall model.

He has to have sufficient movement to move into base contact with the unit, as that's what is required for a successful assault.

Not that the model doesn't physically have to fit into the appropriate space... the Ruin rules allow you to just place the model as near as possible. But you do need to be able to make it into assault for the assault to occur, as always.

Distances assaulting into ruins are measured head to base. So you measure his head to the target model's base and that's how far he has to move. (BRB P.85)

Modeling absolutely makes a difference in the sense that an 8" tall model can more easily assault models on upper levels than shorter models.

that's just silly, can a MC even go up a diferent level in a ruin though?

thought that was one of those silly RAW things that only infantry can do

Measuring "head to base" is to detemine how many models are taking part in the assault.
20 Orks on the ground floor assault 10 marines on the second floor. Ork player rolls a 3 so the Orks directly under the marines move up into B2B. the other 10 Orks need only move under the marines to be within the 2" coherency rule to also strike.

The way i'm reading the rules is that even a Trygon has to make it into B2B contact (roll the hard 6) to assault.
I'm asking because I lost some games to Nidzilla lists (KP missions) in a few events with the nid player only moving his Trygons/MCs into contact with the buildings side (rather that advancing up the floors) where I was and proceeded to wipe the unit and cost me the game.
With ArdBoyz coming up i want to be sure of the rules.


Automatically Appended Next Post:

jdjamesdean@mail.com wrote:that's just silly, can a MC even go up a diferent level in a ruin though?

thought that was one of those silly RAW things that only infantry can do

MCs and Walkers are treated as Infantry for assualt purposes (BRB pg 83)

Looks that also answers my question: Like infantry, and MC must make it up the levels into B2B to get into assault (no modeling for advantage even it is GW doing the modeling).

BRB wrote:For the
sake of simplicity, the same principle described for unit
coherency is used to determine which models are
engaged in an assault. That is to say, distances between
models on different levels are measured between the
heads of the models on the lower level to the bases
of the models on the upper levels (see page 82).


In some cases the ruin might genuinely be unstable or
uneven, or the space could be very limited on a
particular level, making it impossible to move assaulting
models into base-to-base contact with the unit they
wish to assault. When this happens, it is perfectly
acceptable to place models as close to their foe as is
safely possible, including the level below or above

These are two separate clauses. The first tells you to measure head to base when moving assaulting models. The second says that you are not required to actually be able to move models into base to base.

You measure head to base when measuring distances required to assault. This is RAW.

NuggzTheNinja wrote:You measure head to base when measuring distances required to assault. This is RAW.

Ruins don't change the procedure for moving into assault though, beyond stating that you don't physically have to put the charging models in base contact if they don't fit. The ability to move into contact is still required.

The part about measuring head to base is talking about determining the distance between models on different levels. You would use this to determine with models not in base contact are engaged. It doesn't remove the requirement for base contact for their to be an assault to begin with. It just changes the usual measurement rules which measure base-edge to base edge for determining the distance between models.