The portent abilitySchool of Divination wizard's Portent feature says, in part (Player's Handbook, page 116):
You can replace any attack roll, saving throw, or ability check made by you or a creature that you can see with one of these foretelling rolls. You must choose to do so before the roll, and you can replace a roll in this way only once per turn.
D&D Player's Handbook, page 116
The "Advantage and Disadvantage" section states (Player's Handbook, page 173):
When you have advantage or disadvantage and something in the game, such as the halfling’s Lucky trait, lets you reroll the d20, you can reroll only one of the dice.
D&D Player's Handbook, page 173How do these rules interact?
- Does the portent abilityPortent feature fall under this section of the "Advantage and and Disadvantage" rules?
- When using the portent abilityPortent feature with advantage or disadvantage, do you replace replace the entire "attack roll, saving throw, or ability check", or just just one of the dice?