Ok,
Assuming the spirits engage each other in the astral as soon as they see each other in astral combat.
F8 vs. F6
Ini: Astral Ini is Fx2+3d6
F8: 16+9+
Ini addition:
1d6 4= 29
F6:
Ini:
12+3d6 23 [3d6=3, 5, 3]
F8 used his first pass to find the target, while F6 still has his action
So F6 attacks as soon as F8 is in range (but at -1 for hold action)
Astral Combat F6:
Astral Combat:
11d6t5 5 [11d6t5=5, 4, 1, 3, 6, 4, 5, 3, 6, 2, 5]
F8 defends:
Astral Combat defense:
16d6t5 8 [16d6t5=2, 2, 2, 5, 5, 4, 6, 6, 1, 6, 6, 2, 1, 3, 6, 6]
No contest
Ini Phase 19
F8 attacks:
Astral Combat:
16d6t5 7 [16d6t5=6, 3, 2, 6, 6, 5, 5, 4, 5, 1, 3, 2, 2, 2, 6, 2]
F6 defends:
Astral Combat defense:
12d6t5 2 [12d6t5=2, 2, 1, 1, 5, 4, 1, 4, 2, 3, 4, 6]
DV 13 P
F6 soak:
Astral Combat Soak:
6d6t5 1 [6d6t5=3, 3, 2, 6, 4, 1]
DV 12 P
F6 is disrupted
Ini Phase 9
Spirit manifests,
New Ini:
F8
Ini:
20+2d6 27Mage:
Ini:
8+3d6 17F8 attacks with engulf but without electricity aura to avoid permanent damage
Engulf:
16d6t5 6 [16d6t5=6, 5, 4, 5, 3, 4, 1, 1, 2, 5, 1, 6, 2, 5, 1, 4]
Mage: Full defense, because really, engulf is scary.
Defense:
15d6t5 4[15d6t5=1, 1, 3, 5, 6, 3, 4, 2, 3, 2, 6, 2, 1, 1, 5]
Spends Edge for reroll:
Defense Edge Reroll:
11d6t5 5Evades Attack
Ini now at 7:
Mage: Preedges Stunbolt to take spirit down in one blow without killing herself with drain:
Stunbolt: F5:
Stun Bolt w/edge:
13d6t5 2 [13d6t5=1, 4, 1, 2, 4, 6, 3, 3, 3, 1, 6, 4, 4]
Stun Bolt Reroll:
2d6t5 1 [2d6t5=4, 5]
Spirit soak vs. 3 Damage:
Soak:
8d6t5 2 [8d6t5=2, 4, 6, 2, 6, 1, 2, 1]
F8 takes 1 damage.
Ini 17:
F8 engulf:
Engulf:
16d6t5 4 [16d6t5=4, 3, 3, 4, 2, 3, 1, 4, 5, 5, 4, 3, 4, 2, 5, 5]
Resist:
15d6t5 3 [15d6t5=1, 4, 2, 4, 2, 3, 4, 6, 1, 5, 4, 6, 2, 1, 4]
No more edge to spend:
Spirit does 16 AP -8 Stun damage, Inhalation Vector
Mage
Soak:
10d6t5 3DV 13 S
Mage goes unconscious with full stun track
And that, ladies and gentleman, is the reason why F8 elementals are scary motherfuckers that you should shoot on sight with APDS (I hope these sequence was handled by me as intended)