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I can across this the other day. I had a 5 markerlights on a unit with only my HYMP broadsides in range. So, I used the markerlights to increase my BS to a crazy BS7. But they are twin-linked. How is this resolved? Is the BS 7 usless becuase I am re-rolling the misses anyway, or does it allows me to re-roll my re-roll misses. i.e. I roll 3 1's. So, do I re-roll then again as initial shots(twin-linked s 2+) or do I roll for the BS7 re-roll of 5+ and re-roll the 5+ for twin-linked.

I'm thinking I prob only get 1 re-roll so going past BS 5 is pointless.

Page 5 does put forth the limitation that you are worried about, that you can only re-roll a dice once regardless of the number of special rules granting re-rolls. Without a rule giving you specific permission to re-roll a single dice more then once, you need to obey this restriction and therefore must take the second result as your final result. This restriction likely exists as each re-roll increases the chance of you getting the result you want and if you stacked special rules just right you can almost guarantee success. It is unlikely they wanted a situation where certain combinations of special rules to eliminate the random element of the game completely.

As an example lets put the command and control and twin-linked together on a model with a 4+ to hit. Such a model would only fail to hit 12.5% of the time, which is very good hit rate for a BS 3 model. On a model with a BS score of 5, that percentage drops down to somewhere around 2.5%, which is very close to a guaranteed result. This example doesn't even address the fact you could easily get three or four of the things if it wasn't for this restriction. 5 Marker-lights on a BS 5 model, with C&C effect in play and twin link could get that percentage down to a fraction of a percent....

That is, if it wasn't for page 5 telling you to take the second result as the final result.

You're right, any BS past 5 is useless on a twin-linked method, you can never re-roll a re-roll.

spaztacus wrote:
I can across this the other day. I had a 5 markerlights on a unit with only my HYMP broadsides in range. So, I used the markerlights to increase my BS to a crazy BS7. But they are twin-linked. How is this resolved? Is the BS 7 usless becuase I am re-rolling the misses anyway, or does it allows me to re-roll my re-roll misses. i.e. I roll 3 1's. So, do I re-roll then again as initial shots(twin-linked s 2+) or do I roll for the BS7 re-roll of 5+ and re-roll the 5+ for twin-linked.

I'm thinking I prob only get 1 re-roll so going past BS 5 is pointless.

Well, if you're strapped for Markerlights, going past BS4 is pointless because the re-rolling still covers any misses. Re-rolling BS5 is a tad excessive.

 McNinja wrote:

spaztacus wrote:
I can across this the other day. I had a 5 markerlights on a unit with only my HYMP broadsides in range. So, I used the markerlights to increase my BS to a crazy BS7. But they are twin-linked. How is this resolved? Is the BS 7 usless becuase I am re-rolling the misses anyway, or does it allows me to re-roll my re-roll misses. i.e. I roll 3 1's. So, do I re-roll then again as initial shots(twin-linked s 2+) or do I roll for the BS7 re-roll of 5+ and re-roll the 5+ for twin-linked.

I'm thinking I prob only get 1 re-roll so going past BS 5 is pointless.

Well, if you're strapped for Markerlights, going past BS4 is pointless because the re-rolling still covers any misses. Re-rolling BS5 is a tad excessive.

If you absolutely need to have a 97.22% chance to hit it might, haven't you ever had a game come down to a single dice roll?

 PrinceRaven wrote:

If you absolutely need to have a 97.22% chance to hit it might, haven't you ever had a game come down to a single dice roll?

Have you ever had your Stormraven shot down in one hit by a snap shot off a combi-melta the turn after it comes in in a 1k points game? >.< Granted, that was 3 rolls, but my lord were they good rolls...for him haha. Occasionally it can come down to a single, or very low number of rolls, making the difference if it involves killing off a high threat unit. Not often though.

 troa wrote:

 PrinceRaven wrote:

If you absolutely need to have a 97.22% chance to hit it might, haven't you ever had a game come down to a single dice roll?

Have you ever had your Stormraven shot down in one hit by a snap shot off a combi-melta the turn after it comes in in a 1k points game? >.< Granted, that was 3 rolls, but my lord were they good rolls...for him haha. Occasionally it can come down to a single, or very low number of rolls, making the difference if it involves killing off a high threat unit. Not often though.

I have had a Night Scythe take out a Toughness 9 Hive Tyrant in 1 round of shooting.

Without the book handy, it's either the rules for twin linked or for BS6+...but somewhere we're told that in such situations the twin-link reroll is to be used. So you can't go with the lower BS reroll even if you wanted to.

 Super Ready wrote:
Without the book handy, it's either the rules for twin linked or for BS6+...but somewhere we're told that in such situations the twin-link reroll is to be used. So you can't go with the lower BS reroll even if you wanted to.

Page 13, under BS 6+ (bottom right corner).