When does majority Toughness apply?

[Priest]

In a recent game against my friend who was playing guard, he popped down one those big ol' S10 AP3 pie plates onto my prime+carnifex configuration.
The unit was made up of two carnifex's and a prime at the front, now i know for the purposed of wounding they all count as T6, seeing as the majority of the unit is T6. BUT my question is would the prime still be insta-killed from this blast? would he still count as T6 for the purpose of instant death?

-any help appreciated

[Bot]

I don't have the rulebook by my side and I don't play as often as I used to. But I'm pretty sure the Prime would still die because of Instant death. someone correct me if I'm wrong.

[Raven]

Totally Not a Bot is right, and probably not a bot. Similar to how a Prime attached to a unit of Warriors is majority T4 but treated as T5 for instant death, a Prime attached to a unit of Carnifex is majority T6 but treated as T5 for instant death, and thus can be insta-gibbed by strength 10.

[biorivera]

Oct 3, 2012 9:45:41 GMT Raven said:

and probably not a bot.

But how can we be sure?

[Deleted]

Prime would get ID, but, you can use LoS against wounds from blasts

[seahawk]

The Majority Toughness rule is only used to determine how you wound (ie, needing 3's or 2's or whatever). Once past that, TMT has no bearing on anything; each model takes its wounds and determines insta-kablooey basic on their own profiles for each wound.

[rpricew]

Tyranid Prime & 2 Carnifex...

When the blast hits your unit, if its a Blast and not a Barrage, and it hits all 3 models that would be 3 hits. Roll to wound vs the Majority Toughness of the unit so with a Str 10 Blast, you would need 2s to wound as the majority Toughness is 6. Let's say you get 3 wounds.

Now move on to wound allocation.

Nominate the nearest model to the shooting unit and allocate the first wound on him. If it's the Prime, you can L'oS the wound to one of the Carnifex (nearest one to Prime) on a 2+. Then the Carnifex would take any save he has available. Since the Carnifex is Tough 6, he wouldn't suffer Instant Death.

If you fail the L'oS roll on the Prime, then you would take any save the Prime may have. If the Prime fails a save... Instant Death in this situation. If there are any wounds left in the Wound Pool, you would continue allocating the wounds to the next nearest model in the unit.

Only difference with a Barrage is that Wounds & Cover Saves, if any, are worked out from the center of the hole and not the firing unit. **EDITED per Coredump's keen observation

This is one reason why an Iron Armed Swarmlord/Hive Tyrant with a Prime & one Tyrant Guard is so durable. Whatever the Tyrant's Toughness is, is the Majority Toughness for the group. Therefore if you're rocking a T9 Tyrant with one Guard & the Prime. Your whole unit is T9 for the purpose of shooting & combat. Add a little Endurance/Catalyst from a nearby Tervigon/Psyker and you've just created a wonderful little Deathstar.

[coredump]

Only difference with a Barrage is that the Cover Saves, if any, are worked out from the center of the hole and not the firing unit.

One other difference is you determine 'closest' model from the center, and not from the firing unit.

Otherwise, nice description.