When to apply modifiers and Rule of One

[Rubencm81]

Hi guys, 

I am confused with this FAQ

Quote

As an aside, when an ability says you can re-roll a
failed roll, you may want to consider the effect that any modifiers will have before deciding to re-roll the dice. For example, if a roll succeeds on a 4 or more and you have a +1 modifier, you don’t want to re-roll ‘failed’ rolls of 3, because they will become successful after the modifier is applied! 

What is the correct sequence to apply modifiers? 

For example:

1. Roll to hit.

2. Discard 1s. Will modifiers apply to Rule of one or it only refers to a natural 1?

3. Apply modifiers before re-roll

4. Re-roll

 

[rokapoke]

Why are you discarding 1s? Can you give context to your example?

[Rubencm81]

Well, a friend says when you roll a 1 and according to the rule of One, that is always a failed roll despite of any modifier, so if I roll 1,3,3,3 and Ihave a +1 ho hit, that 1 will never be a 2 because pitched battle Rules of One's are over the rulebook.

[rokapoke]

Your friend has it right. Reroll before modifiers, but natural 1s always fail to hit, to wound, or to save. 

[Squirrelmaster]

Re-rolls before modifiers, though.

[EMMachine]

The correct sequence would be:

1. Roll to hit.

2. Re-roll dice that can be re-rolled if you want or have to do it.

3. Discard dice that showed a natural result of 1 (rule of one in Matched Play).

4. Apply modifiers

 

If 1s would be discarded before rerolls all abilities that let you re-roll rolls of 1 would be useless and these are the most used rerolls the game has (mostly every model with 2 weapons has this rule).