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Reroll (RR). The swarmlord dictates that he makes you RR successful invulnerable saves. Certain abilities and psychic powers dictate you RR failed invulnerable saves. Which takes precedence?

1) SL causes 3 wounds, you save 2, RR those, they fail. Now you have 3 failed saves. RR failed saves per your ability, save 2. Net 1 wound.

2) SL causes 3 wounds, save 2. RR those 2 saves, both fail. 3 Wounds caused. Net, 3 wounds.

3) SL causes 3 wounds, you fail 2. RR those two per your ability, they get saved. Net, 0 wounds.

All three seem wonky. My best guess is that you decide who's ability takes precedence on the corresponding players turn.

Neither. You roll your saves. Because of the Swarmlord, you reroll the ones you passed. Because of your special abilities, you reroll the ones you failed. Net result, you re-roll all the dice. Essentially they cancel, as the first roll means nothing as you'll be re-rolling them all.

You never re roll a re roll.

If you want to make it easy just have them cancel each other out.

Neither takes precedence. Basically you roll the dice, pick them all up and roll again. You don't wait to see if a roll is a failure/success since you can not reroll a dice more than once anyway.

So, essentially, cause three wounds. Roll saves, ignore all results. Roll saves again, accept secondary results.

Mike94656 wrote:
So, essentially, cause three wounds. Roll saves, ignore all results. Roll saves again, accept secondary results.

Exactly.

Mike94656 wrote:
So, essentially, cause three wounds. Roll saves, ignore all results. Roll saves again, accept secondary results.

The RAW says exactly this.

To save time most people discuss it with their opponents beforehand and come to the agreement that the first roll is the re-roll as the first roll will all have to be re-rolled anyway. Net effect roll once accept results.

I was wondering how this would interact with Fateweavers staff of Tomorrow. The staff lets him re-roll once dice per turn and if it is used to re-roll a single dice from a batch the other dice in the batch can't be re-rolled.

deviant cadaver wrote:
I was wondering how this would interact with Fateweavers staff of Tomorrow. The staff lets him re-roll once dice per turn and if it is used to re-roll a single dice from a batch the other dice in the batch can't be re-rolled.

The Staff of Tomorrow makes it so all the other dice can't be re-rolled? Can you double check that?

The Staff of tomorrow prevents you from rerolling the other dice in a something like a 3d6 roll, it doesn't stop you from rerolling other wounds, because they are a group of individual d6s, not an xd6 roll.

I thought if 2 rules would trigger simultaneously the player whose turn it is gets to choose the order they're resolved in.

So if you're Tyranid SL inflicts 3 Wounds, roll 2 Saves, enemy Model Rule triggers, Re-Roll 1 missed save. 3 Saves, now SL rule triggers, Re-roll 3 Saves

If you're not the Tyranid and its your turn SL inflicts 3 Wounds, SL model rule triggers, re-roll 2 Successful Saves, Non-Tyranid model rule triggers Re-Roll missed saves.

disdamn wrote:
I thought if 2 rules would trigger simultaneously the player whose turn it is gets to choose the order they're resolved in.

You thought wrong. Re-read page 9.

So if you're Tyranid SL inflicts 3 Wounds, roll 2 Saves, enemy Model Rule triggers, Re-Roll 1 missed save. 3 Saves, now SL rule triggers, Re-roll 3 Saves

You can not re-roll a re-roll so you end up with this situation if the turn order thing were true. (It is not but for example...)

So if you're Tyranid SL inflicts 3 Wounds, roll 2 Saves on failed save.

Enemy Model Rule triggers, Re-Roll 1 missed save. Then re-roll the 2 made saves because of the SL rule as you can not re-roll a re-roll.

If you're not the Tyranid and its your turn SL inflicts 3 Wounds, SL model rule triggers, re-roll 2 Successful Saves, Non-Tyranid model rule triggers Re-Roll missed saves.

Same as above, but the numbers are a little different.

Except for each roll, only one thing is happening: if it is failed, you reroll, and if you pass, you reroll.

You are then bound to the no rerolling a reroll rule.

 PrinceRaven wrote:
The Staff of tomorrow prevents you from rerolling the other dice in a something like a 3d6 roll, it doesn't stop you from rerolling other wounds, because they are a group of individual d6s, not an xd6 roll.

OK, I see the difference thanks for clearing that up.

Chrysis wrote:
Neither. You roll your saves. Because of the Swarmlord, you reroll the ones you passed. Because of your special abilities, you reroll the ones you failed. Net result, you re-roll all the dice. Essentially they cancel, as the first roll means nothing as you'll be re-rolling them all.

What he said is spot on.

You cannot reroll a reroll, period. Rules give no exceptions for this even in an unusual situation like this. You would simply roll all your invuls, grab them all whether they passed o failed, and roll them again and theres the result. Since they all rerolled once already, both abilities are canceled out now.