After Noor and Grazul use skill at the same turn, Grazul remaining HP is 1199. She then get attacked 4 times, all by special skill: 233, 54, 56, and 448.
Noor’s elemental link give 30% extra special defense. In damage calculation, defense have ^1.35 factor.
(1/1.3)^1.35 = 0.702
Which means she received damage only 70.2% what it should be if no extra special defense is applied.
(100%/70.2%) × (233+54+56+448) = 1127
Which means if Grazul without elemental link and minion, she will barely survive with 72 HP.
She would have been at the mercy of RNG because no enemy use slash attack on her. Just 1 more slash attack before that and she is done for.
She would also have been at the mercy of RNG because RNG also involved in damage calculation: