You decide whether to use Sneak Attack when a qualifying attack hits. If you have rolled damage, but elected not to apply Sneak Attack damage, the trigger for that choice – a qualifying attack hitting – has already passed.
Is sneak attack a damage type?
It seems clear that Sneak Attack is extra damage added to the weapon attack, and therefore has the same damage type as the weapon. Specifically, the Spy uses a shortsword, which deals piercing damage, so his Sneak Attack damage will be piercing also.
Is the sneak attack the same damage as the weapon?
So it should be abundantly clear by RAW and RAI that sneak attack is the same damage type as the weapon you use. “Magic” is not a damage type. In fact, the only thing that matters is if the attack itself is considered magical and only then for the purposes of bypassing resistance to attacks that aren’t magical.
How often can a sneak attack be used?
Once per turn, you can deal an extra 1d6 damage to one creature you hit with an attack if you have advantage on the attack roll. The attack must use a finesse or a ranged weapon. This is extra damage dealt by the weapon attack; therefore, it should deal damage of the same type as the weapon.
Can a rogue use sneak attack on both weapons?
If you wield a second weapon in your off hand, you can get one extra attack per round with that weapon. There is nothing in that statement that suggests that the extra attack occurs simultaneously. The rules only states that the extra attack occurs on the same round, which is a 6 second-long span of time.
Can a dagger be used for a sneak attack?
The dagger, however, can be used to make sneak attacks, as it is a finesse weapon. The following are finesse weapons, since they contain the finesse property in the weapon list: – Dagger – Dart – Rapier – Scimitar – Shortsword – Whip
