From what I've been seeing, it persist even after she dies and your ninja get those buff whenever they use their mystery. So for example if the mystery cost 20 chakra they will get 16% attack and 6% crit increase, if it 40 then then 8 x 4 = 32% attack and 3 x 4 = 12% crit increase, and so on and so forth

Does sasuke's chakra drain give him a buff from kushinas passive?

No. Buff only happens when you actually use chakra. If you don't use any, it doesn't count.

In fact, using Sasuke is worse because if you have a mystery cost of zero, you don't get any benefit from Kushina's passive.

You sure? Ive seen alot of whalers use Kushina xmas with Sasuke Rinne.

Oh nvm it probably is true, since Sasuke consumes chakra i guess

hello =)

so a clarification. i have minato. now in round 1 my minato would use 40 chakra=32% increase damage right?

now in round 2 =kushina dies

In round 3 = my minato uses another 40 chakra will my minato get another 32% incrase attack? = 62% attack damage in round 3 even though kushina is dead. or is it referring to just the 32% attack that i got from round 1 that will remain??

Anone from oasis could help me clear this up?

When it says its persists, it probably means that the effect is still there, even if the ninja dies. Not that it keeps happening even after Kushina dies.

Kind of like how some buffs like a Hashirama [First Hokage] Ninja god of +30% ninjutsu goes away after he dies, but a Ninja god passive where its skill trial stays after death.

ohw ok. thank you. so kushina has to be alive in round 3 for my minato to get 64% attack ok thanks.

Considering how bad at English are the people that work at Oasis that they translate word for word rather than what makes sense, then the word "persists" can be interpreted in more ways than one, such as the effect of stacking up keeps going instead of freezes and leaves the buff at the % before Kushina died. In such sense the "persist" makes sense as well, because the buff of consuming each time 10 chakra "persists". So it's up to the testing whether it works or not after Kushina is dead, but it has to be tested on ninjas who do not passively or actively buff themselves, so that results are cleaner.

I have the Christmas Kushina, got it today, but I might try to test her later in the evening with someone, so that I can tell if ninjas keep buffing up after her death, or the buff gets frozen at the last % that got buffed.

just by the wordings, the unrelentable fury support seems meant to persist the entire length of battle.

(even if kushina christ dies, support then freezes @ the last threshold)

(but it could also refer to the state of the support being persist>unremovable by the likes of madara edo tensei release)

I tested yesterday with a group member, I used regular Naruto for testing, he was skillbooked, but he has no scaling skills, and I used Kushina of course. After Kushina died, Naruto was dealing ~830 damage with his standard, after the next mystery launched or two, his standard was dealing ~870 damage, and it was long after Kushina was already dead. So I think the scaling of the Kushina Christmas passive, when ninja consumes chakra, stays in effect after her death.

The effect does not freeze when she is dead, meaning that the % buff you gained before she died, is not staying at that %, but instead keeps increasing after her death every time your specific ninja consumes chakra.

thank you so much.

The buff persists and it keeps scaling even after she dies. The reason why it is worded this way, is because certain skills remove the ninja from the field. Think of masked man mystery, susanoo itachi standard attack, etc