Does Brick Break remove Screens before/after the attack?

Question

My Landorus-T's Brick Break will always OHKO a max Defence Alolan-Ninetales if Aurora Veil is not up. However, if Aurora Veil is up, Brick Break does not kill. So my question is:

Does Brick Break remove the effects of Aurora Veil before or after dealing damage?

If so, then I have no fear (it's a scarf Landorus so I'll outspeed regardless).

Comments

The screens break after the attack. You can see them break during the attack.

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But he’s asking about when the damage occurs, not the animation

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No, he's asking when screens break (and Aurora Veil) if they're set-up.

Answer 1

Brick Break removes Reflect/Light Screen/Aurora Veil before attacking

Well, that’s what I read on every Pokémon site I found. As for your Alolan Ninetales thing, I think it’s just coincidence, the algorithm used to determine damage dealt in Pokémon varies sometimes, by just a few HP, fortunately.

Comments

Oh ok. Having just rechecked, it was on HP Steel, not Brick Break. Oops!

(Best Answer if nobody else answers)

Answer 2

Before.

Removing screens/veil before damaging sounds niche to ignore that same effects and dealing more Damage.

Source: this site himself and, in ruby I send my swampert to use brick break to brake the steven’ s Claydol

“Brick Break deals damage, but removes the effects of Reflect and Light Screen before attacking.”

Comments

Why did you post this answer when the other answer was already there?