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Lunar Brace Clarification

So I just wanted to point out that in the "Should you Pull" edition for the new Legendary Banner, the author describes Lunar Brace as adding a Luna effect onto the special and having it reduce the opponent's defense by 50%. However, I'm almost certain this is wrong.

Lunar Brace: Slows Special trigger (cooldown count+1). Deals damage = 50% of foe's Def when Special triggers.

Luna: Resolve combat as if foe suffered Def/Res-50%

Bonfire: Boosts damage dealt by 50% of unit's Def.

The damage dealt is EQUAL to 50% of the unit's defense when the special triggers, in the case of Lunar Brace. It's essentially an inverse Bonfire. So I feel like this is something that should be clarified so people notice the difference. It's a great skill imo, since Lunar Brace could make Moonbow do an extra 20 damage versus a 40 Def armor unit or something like that, in addition to the drop in defenses.

Asked by Blackdrakon302 months ago

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Which explains why my armour team almost lost >:1

L!Eirika with an Armor Smasher could wreck havoc on the meta during her bonus time.

In fact, Yezzo's reply to another question suggests that it's even better than an inverse bonfire.

There are three types of extra damage: reducing enemy def, burst damage (ex: bonfire), and flat damage (ex: wo dao, Light Brand). The first category uses descriptions that read "treats opponent's def/res as reduced by __%". The second category uses descriptions that read "boosts damage by ___." The third category uses descriptions that read "does ___ damage," and if lunar brace is not part of this category, then it's a first.

The difference between the second and third categories is that the second category can be blocked if the opponent has an excess of def, whereas the third cannot because the damage gets added after the opponent's def or res has blocked as much damage as it can, up to 100% of base atk + any burst damage. So wo dao specials will hit for 10 damage even if the original damage is blocked completely, and if lunar brace does belong to this category, an opponent is getting hit for 50% of their def almost no matter what. (There's still stuff like pavise.)

I believe that Bonfire is actually flat damage. Draconic Aura and Glimmer are the specials that fall into the burst damage group, I think. Because an Ignis proc from Lukas can kill almost anything with low-ish Hp.

Not according to Gamepedia last I checked.
https://feheroes.gamepedia.com/Damage_calculation

I've had a convo with this several days ago. Bonfire and Ignis can actually do 0 damage if your defense is high enough, even Regnal Astra. So it's not flat damage.

Algebraically they are the same. Reducing the enemies defense by (X)% is the same as adding (X)% of the enemies defense to your attack. No clarification is needed as there is nothing miscommunicated.
Ex:
Unit Atk:20
Opposing Def:15
Dmg = (20 + (0.5×15)) - 15 = 12.5
Dmg = 20 - (0.5×15) = 12.5

In the example you have made you will have the same dmg but i have an example that will give different results.
If your character has 50atk and your enemy has 60def:
- with Luna you will deal 20 dmg
- with Lunar brace you will deal 30dmg.
That's because Lunar brace deals true dmg and it is different from both Luna (which reduces def or res) or Bonfire (which adds dmg)

You did your math wrong.
Luna:
Dmg = 50 - (60×0.5) = 50 - 30 = 20
Dmg = 20

"Reverse Bonfire":
Dmg = (50 + (60×0.5)) - 60 = 80 - 60 = 20
Dmg = 20

If I weren't so lazy I'd prove that it's true in all circumstances, however I'm lazy and haven't been in a class setting for like 4 years.

If you read the description, Lunar brace has the word "deals" which is the same word used by Wrath and Wo Dao effects, and they deal ture dmg which is calculated differently from specials like Bonfire which have the word "boosts dmg" and you calculate the dmg like this

Max(50-60;0) +30=30

Not trying to be a jerk, but I don't understand how you're not getting it. Math doesn't care how or when you do things if they hold equal priority (I.E. all add/sub or all mult/div). Could you show more of your work to get the 30, as is I don't understand where your end result of 30 dmg is even possible.
Orig dmg (no specials):
Dmg = 50 - 60 = -10, you don't heal enemies so really 0
Dmg with special:
Dmg = (50 - 60) + (spcl dmg) = (-10) + (60×0.5) = -10 + 30 = 20

Again my goal isn't to say you're wrong and get internet points, it's just to prove that how the math works it's all identical.

It's that the game calculates the damage in several rounds. The first round includes base atk, triangle advantage, effective against, and burst damage from stuff like bonfire or draconic aura. So all of this can add up to 0.

Anything that reads "deals ___" such as wo dao, Light Brand, and lunar brace is applied afterwards, so if the opponent has 60 def and they just wall your bonfire dead, the 30 damage from lunar brace gets added on the 0.

That makes sense. But aren't there videos of Wao Dao dealing 0 dmg? I'll have to confirm myself here.

Confirmed, bonus damage is comletely after all calcs and rounding. You could have 99999 defense and Wao Dao will still take minimum of 10 from you. Kinda dumb troll math really.

RIP the Lucas I sent out against paralogue 7-2 hard Athena.

Yes, and Lunar brace's dmg works the same way